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1030230012120 = 233597181488993
BaseRepresentation
bin11101111110111100111…
…11100111000011011000
310122111012111112011011120
432333132133213003120
5113334402340341440
62105140420325240
7134301026421111
oct16773637470330
93574174464146
101030230012120
11367a10a90491
121477b9b43820
13761c51c558a
1437c13247208
151bbea676dd0
hexefde7e70d8

1030230012120 has 128 divisors (see below), whose sum is σ = 3139810914240. Its totient is φ = 270393016320.

The previous prime is 1030230012109. The next prime is 1030230012127. The reversal of 1030230012120 is 212100320301.

It is a super-2 number, since 2×10302300121202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1030230012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030230012127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862344 + ... + 2351336.

Almost surely, 21030230012120 is an apocalyptic number.

1030230012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030230012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569905457120).

1030230012120 is an abundant number, since it is smaller than the sum of its proper divisors (2109580902120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030230012120 is a wasteful number, since it uses less digits than its factorization.

1030230012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489285 (or 489281 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1030230012120 its reverse (212100320301), we get a palindrome (1242330332421).

The spelling of 1030230012120 in words is "one trillion, thirty billion, two hundred thirty million, twelve thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 97 120 181 194 291 362 388 485 543 582 724 776 905 970 1086 1164 1448 1455 1810 1940 2172 2328 2715 2910 3620 3880 4344 5430 5820 7240 10860 11640 17557 21720 35114 52671 70228 87785 105342 140456 175570 210684 263355 351140 421368 488993 526710 702280 977986 1053420 1466979 1955972 2106840 2444965 2933958 3911944 4889930 5867916 7334895 9779860 11735832 14669790 19559720 29339580 47432321 58679160 88507733 94864642 142296963 177015466 189729284 237161605 265523199 284593926 354030932 379458568 442538665 474323210 531046398 569187852 708061864 711484815 885077330 948646420 1062092796 1138375704 1327615995 1422969630 1770154660 1897292840 2124185592 2655231990 2845939260 3540309320 5310463980 5691878520 8585250101 10620927960 17170500202 25755750303 34341000404 42926250505 51511500606 68682000808 85852501010 103023001212 128778751515 171705002020 206046002424 257557503030 343410004040 515115006060 1030230012120