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1310001303112 = 232931434235977
BaseRepresentation
bin10011000100000010001…
…010011000111001001000
311122020100020120021212221
4103010002022120321020
5132430340313144422
62441450054143424
7163434024231445
oct23040212307110
94566306507787
101310001303112
11465628647257
12191a78951b74
13966c014ca88
144759396a9cc
1524121e8e3c7
hex13102298e48

1310001303112 has 64 divisors (see below), whose sum is σ = 2683915660800. Its totient is φ = 597780933120.

The previous prime is 1310001303089. The next prime is 1310001303119. The reversal of 1310001303112 is 2113031000131.

It is a super-2 number, since 2×13100013031122 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310001303119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1808733 + ... + 2427244.

It is an arithmetic number, because the mean of its divisors is an integer number (41936182200).

Almost surely, 21310001303112 is an apocalyptic number.

It is an amenable number.

1310001303112 is an abundant number, since it is smaller than the sum of its proper divisors (1373914357688).

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

1310001303112 is a wasteful number, since it uses less digits than its factorization.

1310001303112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236086 (or 4236082 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1310001303112 its reverse (2113031000131), we get a palindrome (3423032303243).

The spelling of 1310001303112 in words is "one trillion, three hundred ten billion, one million, three hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 29 31 43 58 62 86 116 124 172 232 248 344 899 1247 1333 1798 2494 2666 3596 4988 5332 7192 9976 10664 38657 77314 154628 309256 4235977 8471954 16943908 33887816 122843333 131315287 182147011 245686666 262630574 364294022 491373332 525261148 728588044 982746664 1050522296 1457176088 3808143323 5282263319 5646557341 7616286646 10564526638 11293114682 15232573292 21129053276 22586229364 30465146584 42258106552 45172458728 163750162889 327500325778 655000651556 1310001303112