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13243911934231 = 119915441223291
BaseRepresentation
bin1100000010111001011010…
…1010101001000100010111
31201220002211222211121012101
43000232112222221010113
53213442012423343411
644100100311502531
72534561325004306
oct300562652510427
951802758747171
1013243911934231
114246791023030
12159a913387a47
13750b84655b14
1433b01a06243d
1517e787c6e8c1
hexc0b96aa9117

13243911934231 has 16 divisors (see below), whose sum is σ = 14465205881856. Its totient is φ = 12025506240000.

The previous prime is 13243911934199. The next prime is 13243911934249.

13243911934231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13243911934231 - 25 = 13243911934199 is a prime.

It is a super-2 number, since 2×132439119342312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243911934261) 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, 59200696 + ... + 59423986.

It is an arithmetic number, because the mean of its divisors is an integer number (904075367616).

Almost surely, 213243911934231 is an apocalyptic number.

13243911934231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13243911934231 is a deficient number, since it is larger than the sum of its proper divisors (1221293947625).

13243911934231 is a wasteful number, since it uses less digits than its factorization.

13243911934231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229734.

The product of its digits is 419904, while the sum is 46.

The spelling of 13243911934231 in words is "thirteen trillion, two hundred forty-three billion, nine hundred eleven million, nine hundred thirty-four thousand, two hundred thirty-one".

Divisors: 1 11 991 5441 10901 59851 223291 2456201 5392031 59312341 221281381 1214926331 2434095191 13364189641 1203991994021 13243911934231