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13112031235048 = 231639003904381
BaseRepresentation
bin1011111011001110000111…
…1101101100101111101000
31201102111110000000221022021
42332303201331230233220
53204311414444010143
643515330050434224
72522212233365044
oct276634175545750
951374400027267
1013112031235048
1141a5865890859
121579248892974
137415c7c47845
143348a8cb5024
1517b119c61ced
hexbece1f6cbe8

13112031235048 has 8 divisors (see below), whose sum is σ = 24585058565730. Its totient is φ = 6556015617520.

The previous prime is 13112031234961. The next prime is 13112031235049. The reversal of 13112031235048 is 84053213021131.

It can be written as a sum of positive squares in only one way, i.e., 13084294997284 + 27736237764 = 3617222^2 + 166542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13112031235049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 819501952183 + ... + 819501952198.

Almost surely, 213112031235048 is an apocalyptic number.

It is an amenable number.

13112031235048 is a deficient number, since it is larger than the sum of its proper divisors (11473027330682).

13112031235048 is a wasteful number, since it uses less digits than its factorization.

13112031235048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639003904387 (or 1639003904383 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 13112031235048 its reverse (84053213021131), we get a palindrome (97165244256179).

The spelling of 13112031235048 in words is "thirteen trillion, one hundred twelve billion, thirty-one million, two hundred thirty-five thousand, forty-eight".

Divisors: 1 2 4 8 1639003904381 3278007808762 6556015617524 13112031235048