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10591997401 = 109314276791
BaseRepresentation
bin10011101110101010…
…10000110111011001
31000100011201012220001
421313111100313121
5133143022404101
64511011133001
7523323330616
oct116725206731
930304635801
1010591997401
1145459a7467
1220772a4161
13cca5436ab
14726a2550d
1541ed49901
hex277550dd9

10591997401 has 8 divisors (see below), whose sum is σ = 10610679744. Its totient is φ = 10573333680.

The previous prime is 10591997399. The next prime is 10591997453. The reversal of 10591997401 is 10479919501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10591997401 - 21 = 10591997399 is a prime.

It is a super-2 number, since 2×105919974012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10591997201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556316 + ... + 1563106.

It is an arithmetic number, because the mean of its divisors is an integer number (1326334968).

Almost surely, 210591997401 is an apocalyptic number.

It is an amenable number.

10591997401 is a deficient number, since it is larger than the sum of its proper divisors (18682343).

10591997401 is a wasteful number, since it uses less digits than its factorization.

10591997401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311.

The product of its (nonzero) digits is 102060, while the sum is 46.

The spelling of 10591997401 in words is "ten billion, five hundred ninety-one million, nine hundred ninety-seven thousand, four hundred one".

Divisors: 1 1093 1427 6791 1559711 7422563 9690757 10591997401