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13002031000 = 235372118803
BaseRepresentation
bin11000001101111101…
…10011111110011000
31020120010121121110201
430012332303332120
5203112004443000
65550102351544
7640126303630
oct140676637630
936503547421
1013002031000
115572342372
12262a42b5b4
1312c293328a
148b4b376c0
1551170396a
hex306fb3f98

13002031000 has 128 divisors (see below), whose sum is σ = 34939906560. Its totient is φ = 4436208000.

The previous prime is 13002030971. The next prime is 13002031039. The reversal of 13002031000 is 13020031.

It is a super-2 number, since 2×130020310002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1472599 + ... + 1481401.

It is an arithmetic number, because the mean of its divisors is an integer number (272968020).

Almost surely, 213002031000 is an apocalyptic number.

13002031000 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 13002031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17469953280).

13002031000 is an abundant number, since it is smaller than the sum of its proper divisors (21937875560).

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

13002031000 is a wasteful number, since it uses less digits than its factorization.

13002031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 13002031000 its reverse (13020031), we get a palindrome (13015051031).

The spelling of 13002031000 in words is "thirteen billion, two million, thirty-one thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 211 250 280 350 422 500 700 844 875 1000 1055 1400 1477 1688 1750 2110 2954 3500 4220 5275 5908 7000 7385 8440 8803 10550 11816 14770 17606 21100 26375 29540 35212 36925 42200 44015 52750 59080 61621 70424 73850 88030 105500 123242 147700 176060 184625 211000 220075 246484 295400 308105 352120 369250 440150 492968 616210 738500 880300 1100375 1232420 1477000 1540525 1760600 1857433 2200750 2464840 3081050 3714866 4401500 6162100 7429732 7702625 8803000 9287165 12324200 13002031 14859464 15405250 18574330 26004062 30810500 37148660 46435825 52008124 61621000 65010155 74297320 92871650 104016248 130020310 185743300 232179125 260040620 325050775 371486600 464358250 520081240 650101550 928716500 1300203100 1625253875 1857433000 2600406200 3250507750 6501015500 13002031000