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10120024031 = 132371639929
BaseRepresentation
bin10010110110011001…
…10100111111011111
3222010021121111010212
421123030310333133
5131211211232111
64352111123035
7505532533145
oct113314647737
928107544125
1010120024031
114323542927
121b6521347b
13c53822300
146c0087595
153e36ba98b
hex25b334fdf

10120024031 has 24 divisors (see below), whose sum is σ = 11324728080. Its totient is φ = 9032414976.

The previous prime is 10120024007. The next prime is 10120024043. The reversal of 10120024031 is 13042002101.

It is not a de Polignac number, because 10120024031 - 214 = 10120007647 is a prime.

It is a super-3 number, since 3×101200240313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120023997 and 10120024015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120024001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1014275 + ... + 1024203.

It is an arithmetic number, because the mean of its divisors is an integer number (471863670).

Almost surely, 210120024031 is an apocalyptic number.

10120024031 is a deficient number, since it is larger than the sum of its proper divisors (1204704049).

10120024031 is a wasteful number, since it uses less digits than its factorization.

10120024031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155 (or 10142 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10120024031 its reverse (13042002101), we get a palindrome (23162026132).

The spelling of 10120024031 in words is "ten billion, one hundred twenty million, twenty-four thousand, thirty-one".

Divisors: 1 13 37 163 169 481 2119 6031 6253 9929 27547 78403 129077 367373 1019239 1618427 1678001 4775849 21039551 59881799 62086037 273514163 778463387 10120024031