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10310322012 = 223904994949
BaseRepresentation
bin10011001101000101…
…10000011101011100
3222121112200121220020
421212202300131130
5132103420301022
64423025552140
7513333201564
oct114642603534
928545617806
1010310322012
1144109a9591
121bb8aa5650
13c84090573
146db461da4
1540525a35c
hex2668b075c

10310322012 has 24 divisors (see below), whose sum is σ = 24060330000. Its totient is φ = 3436358016.

The previous prime is 10310322007. The next prime is 10310322019. The reversal of 10310322012 is 21022301301.

It is a super-2 number, since 2×103103220122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10310321982 and 10310322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10310322019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61114 + ... + 156062.

It is an arithmetic number, because the mean of its divisors is an integer number (1002513750).

Almost surely, 210310322012 is an apocalyptic number.

10310322012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10310322012 is an abundant number, since it is smaller than the sum of its proper divisors (13750007988).

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

10310322012 is a wasteful number, since it uses less digits than its factorization.

10310322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104005 (or 104003 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10310322012 its reverse (21022301301), we get a palindrome (31332623313).

The spelling of 10310322012 in words is "ten billion, three hundred ten million, three hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 9049 18098 27147 36196 54294 94949 108588 189898 284847 379796 569694 1139388 859193501 1718387002 2577580503 3436774004 5155161006 10310322012