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103010021312 = 26111229119057
BaseRepresentation
bin101111111101111100…
…0000010111111000000
3100211212221112021020112
41133323320002333000
53141431031140222
6115153330130452
710304453506562
oct1377370027700
9324787467215
10103010021312
113a760520720
1217b69a20a28
1399382c2443
144db2b15332
152a2d60cbe2
hex17fbe02fc0

103010021312 has 56 divisors (see below), whose sum is σ = 223176602160. Its totient is φ = 46784245760.

The previous prime is 103010021281. The next prime is 103010021327. The reversal of 103010021312 is 213120010301.

It is a super-4 number, since 4×1030100213124 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805688 + ... + 924744.

Almost surely, 2103010021312 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 103010021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111588301080).

103010021312 is an abundant number, since it is smaller than the sum of its proper divisors (120166580848).

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

103010021312 is a wasteful number, since it uses less digits than its factorization.

103010021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120309 (or 120299 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103010021312 its reverse (213120010301), we get a palindrome (316130031613).

The spelling of 103010021312 in words is "one hundred three billion, ten million, twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 1229 2458 4916 9832 13519 19664 27038 39328 54076 78656 108152 119057 216304 238114 432608 476228 865216 952456 1309627 1904912 2619254 3809824 5238508 7619648 10477016 20954032 41908064 83816128 146321053 292642106 585284212 1170568424 1609531583 2341136848 3219063166 4682273696 6438126332 9364547392 12876252664 25752505328 51505010656 103010021312