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1310102320 = 245103158993
BaseRepresentation
bin100111000010110…
…1001001100110000
310101022012002112011
41032011221030300
510140341233240
6334000012304
744315454202
oct11605511460
93338162464
101310102320
1161257829a
12306901094
1317b564297
14c5dd0772
157a0386ea
hex4e169330

1310102320 has 40 divisors (see below), whose sum is σ = 3075579936. Its totient is φ = 518949888.

The previous prime is 1310102309. The next prime is 1310102323. The reversal of 1310102320 is 232010131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1310102320.

It is not an unprimeable number, because it can be changed into a prime (1310102323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71257 + ... + 87736.

Almost surely, 21310102320 is an apocalyptic number.

1310102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310102320 is an abundant number, since it is smaller than the sum of its proper divisors (1765477616).

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

1310102320 is a wasteful number, since it uses less digits than its factorization.

1310102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159109 (or 159103 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1310102320 is about 36195.3356110977. The cubic root of 1310102320 is about 1094.2126683892.

Adding to 1310102320 its reverse (232010131), we get a palindrome (1542112451).

The spelling of 1310102320 in words is "one billion, three hundred ten million, one hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 103 206 412 515 824 1030 1648 2060 4120 8240 158993 317986 635972 794965 1271944 1589930 2543888 3179860 6359720 12719440 16376279 32752558 65505116 81881395 131010232 163762790 262020464 327525580 655051160 1310102320