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1031102042412 = 2231319770345161
BaseRepresentation
bin11110000000100100111…
…10001001000100101100
310122120110021101212211210
433000102132021010230
5113343144110324122
62105403131114420
7134331445515351
oct17002236110454
93576407355753
101031102042412
11368319249782
12147a01ba2a10
1376303a78130
1437c96da2628
151bc4becb40c
hexf01278912c

1031102042412 has 96 divisors (see below), whose sum is σ = 2727755896320. Its totient is φ = 300518484480.

The previous prime is 1031102042387. The next prime is 1031102042459. The reversal of 1031102042412 is 2142402011301.

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, 22809112 + ... + 22854272.

It is an arithmetic number, because the mean of its divisors is an integer number (28414123920).

Almost surely, 21031102042412 is an apocalyptic number.

1031102042412 is a gapful number since it is divisible by the number (12) 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 1031102042412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363877948160).

1031102042412 is an abundant number, since it is smaller than the sum of its proper divisors (1696653853908).

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

1031102042412 is a wasteful number, since it uses less digits than its factorization.

1031102042412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52903 (or 52901 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1031102042412 its reverse (2142402011301), we get a palindrome (3173504053713).

The spelling of 1031102042412 in words is "one trillion, thirty-one billion, one hundred two million, forty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 7703 15406 23109 30812 45161 46218 90322 92436 100139 135483 146357 180644 200278 270966 292714 300417 400556 439071 541932 585428 587093 600834 858059 878142 1174186 1201668 1716118 1756284 1761279 1902641 2348372 2574177 3432236 3522558 3805282 5148354 5707923 7045116 7610564 10296708 11154767 11415846 22309534 22831692 33464301 44619068 66928602 133857204 347875183 695750366 1043625549 1391500732 2087251098 4174502196 4522377379 6609628477 9044754758 13219256954 13567132137 18089509516 19828885431 26438513908 27134264274 39657770862 54268528548 79315541724 85925170201 171850340402 257775510603 343700680804 515551021206 1031102042412