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1317290957744 = 24972413521867
BaseRepresentation
bin10011001010110100101…
…010001101101110110000
311122221011021100010010112
4103022310222031232300
5133040302441121434
62445053300520452
7164112461252036
oct23126452155660
94587137303115
101317290957744
11468729449713
121933720b0128
13972b2470998
1447a85b66556
15243ebe21dce
hex132b4a8dbb0

1317290957744 has 40 divisors (see below), whose sum is σ = 2589263266128. Its totient is φ = 649150341120.

The previous prime is 1317290957701. The next prime is 1317290957747. The reversal of 1317290957744 is 4477590927131.

It is a super-4 number, since 4×13172909577444 (a number of 50 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1317290957747) 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, 1386902 + ... + 2134965.

Almost surely, 21317290957744 is an apocalyptic number.

It is an amenable number.

1317290957744 is a deficient number, since it is larger than the sum of its proper divisors (1271972308384).

1317290957744 is a wasteful number, since it uses less digits than its factorization.

1317290957744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522213 (or 3522207 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 1317290957744 in words is "one trillion, three hundred seventeen billion, two hundred ninety million, nine hundred fifty-seven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 97 194 241 388 482 776 964 1552 1928 3856 23377 46754 93508 187016 374032 3521867 7043734 14087468 28174936 56349872 341621099 683242198 848769947 1366484396 1697539894 2732968792 3395079788 5465937584 6790159576 13580319152 82330684859 164661369718 329322739436 658645478872 1317290957744