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12491513236041 = 372112819118311
BaseRepresentation
bin1011010111000110100000…
…1101011000101001001001
31122020011210000221112111220
42311301220031120221021
53114130104342023131
642322304424312253
72426324225412660
oct265615015305111
948204700845456
1012491513236041
113a86691628994
121498b32612689
136c7c384c7c28
14312841a29dd7
15169ded956e96
hexb5c68358a49

12491513236041 has 16 divisors (see below), whose sum is σ = 19124898628608. Its totient is φ = 7104178141200.

The previous prime is 12491513236021. The next prime is 12491513236079. The reversal of 12491513236041 is 14063231519421.

It is not a de Polignac number, because 12491513236041 - 26 = 12491513235977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12491513235984 and 12491513236002.

It is not an unprimeable number, because it can be changed into a prime (12491513236021) 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, 1409554725 + ... + 1409563586.

It is an arithmetic number, because the mean of its divisors is an integer number (1195306164288).

Almost surely, 212491513236041 is an apocalyptic number.

It is an amenable number.

12491513236041 is a deficient number, since it is larger than the sum of its proper divisors (6633385392567).

12491513236041 is a wasteful number, since it uses less digits than its factorization.

12491513236041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819118532.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 12491513236041 in words is "twelve trillion, four hundred ninety-one billion, five hundred thirteen million, two hundred thirty-six thousand, forty-one".

Divisors: 1 3 7 21 211 633 1477 4431 2819118311 8457354933 19733828177 59201484531 594833963621 1784501890863 4163837745347 12491513236041