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30101112 = 2333237383
BaseRepresentation
bin111001011010…
…0111001111000
32002122021222000
41302310321320
530201213422
62553101000
7513566226
oct162647170
962567860
1030101112
1115a9a458
12a0b7760
13630c012
143dd7b16
152998cac
hex1cb4e78

30101112 has 128 divisors (see below), whose sum is σ = 89510400. Its totient is φ = 9351936.

The previous prime is 30101107. The next prime is 30101147. The reversal of 30101112 is 21110103.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30101094 and 30101103.

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, 362623 + ... + 362705.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 230101112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44755200).

30101112 is an abundant number, since it is smaller than the sum of its proper divisors (59409288).

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

30101112 is a wasteful number, since it uses less digits than its factorization.

30101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 30101112 is about 5486.4480312858. The cubic root of 30101112 is about 311.0719463548.

Adding to 30101112 its reverse (21110103), we get a palindrome (51211215).

The spelling of 30101112 in words is "thirty million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 73 83 92 108 138 146 166 184 207 216 219 249 276 292 332 414 438 498 552 584 621 657 664 747 828 876 996 1242 1314 1494 1656 1679 1752 1909 1971 1992 2241 2484 2628 2988 3358 3818 3942 4482 4968 5037 5256 5727 5976 6059 6716 7636 7884 8964 10074 11454 12118 13432 15111 15272 15768 17181 17928 18177 20148 22908 24236 30222 34362 36354 40296 45333 45816 48472 51543 54531 60444 68724 72708 90666 103086 109062 120888 137448 139357 145416 163593 181332 206172 218124 278714 327186 362664 412344 418071 436248 557428 654372 836142 1114856 1254213 1308744 1672284 2508426 3344568 3762639 5016852 7525278 10033704 15050556 30101112