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10031373688 = 237226995131
BaseRepresentation
bin10010101011110101…
…01001110101111000
3221220002210120201211
421111322221311320
5131021012424223
64335223052504
7503405161300
oct112572516570
927802716654
1010031373688
1142884a3586
121b3b5a1134
13c3b35379b
146b23ac600
153daa08d0d
hex255ea9d78

10031373688 has 48 divisors (see below), whose sum is σ = 21961222200. Its totient is φ = 4283133120.

The previous prime is 10031373683. The next prime is 10031373727. The reversal of 10031373688 is 88637313001.

It is a self number, because there is not a number n which added to its sum of digits gives 10031373688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031373683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57883 + ... + 153013.

Almost surely, 210031373688 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 10031373688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10980611100).

10031373688 is an abundant number, since it is smaller than the sum of its proper divisors (11929848512).

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

10031373688 is a wasteful number, since it uses less digits than its factorization.

10031373688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95420 (or 95409 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 10031373688 its reverse (88637313001), we get a palindrome (98668686689).

The spelling of 10031373688 in words is "ten billion, thirty-one million, three hundred seventy-three thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 269 392 538 1076 1883 2152 3766 7532 13181 15064 26362 52724 95131 105448 190262 380524 665917 761048 1331834 2663668 4661419 5327336 9322838 18645676 25590239 37291352 51180478 102360956 179131673 204721912 358263346 716526692 1253921711 1433053384 2507843422 5015686844 10031373688