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12489606001943 = 72627140645817
BaseRepresentation
bin1011010110111111011010…
…0001110111010100010111
31122012222212010011000011222
42311233312201313110113
53114112203114030233
642321351253520555
72426226036243500
oct265576641672427
948188763130158
1012489606001943
113a858a2a91764
12149869b94315b
136c79c3330745
143127005dbba7
15169d3b2ba898
hexb5bf6877517

12489606001943 has 12 divisors (see below), whose sum is σ = 14531042518272. Its totient is φ = 10703669185440.

The previous prime is 12489606001933. The next prime is 12489606001967. The reversal of 12489606001943 is 34910060698421.

It is not a de Polignac number, because 12489606001943 - 216 = 12489605936407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12489606001933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20015630 + ... + 20630187.

It is an arithmetic number, because the mean of its divisors is an integer number (1210920209856).

Almost surely, 212489606001943 is an apocalyptic number.

12489606001943 is a deficient number, since it is larger than the sum of its proper divisors (2041436516329).

12489606001943 is an equidigital number, since it uses as much as digits as its factorization.

12489606001943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652102 (or 40652095 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 12489606001943 in words is "twelve trillion, four hundred eighty-nine billion, six hundred six million, one thousand, nine hundred forty-three".

Divisors: 1 7 49 6271 43897 307279 40645817 284520719 1991645033 254889918407 1784229428849 12489606001943