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74574123013 = 1312758776949
BaseRepresentation
bin100010101110011110…
…1101101000000000101
321010111012100222001001
41011130331231000011
52210211433414023
654131530133301
75250005405155
oct1053475550005
9233435328031
1074574123013
112969916a425
1212552881231
137055ca4510
1438762d8765
151e16e916ad
hex115cf6d005

74574123013 has 16 divisors (see below), whose sum is σ = 81081907200. Its totient is φ = 68178390336.

The previous prime is 74574123011. The next prime is 74574123037. The reversal of 74574123013 is 31032147547.

It is a cyclic number.

It is not a de Polignac number, because 74574123013 - 21 = 74574123011 is a prime.

It is a super-2 number, since 2×745741230132 (a number of 23 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 (74574123011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930663 + ... + 1007611.

It is an arithmetic number, because the mean of its divisors is an integer number (5067619200).

Almost surely, 274574123013 is an apocalyptic number.

It is an amenable number.

74574123013 is a deficient number, since it is larger than the sum of its proper divisors (6507784187).

74574123013 is a wasteful number, since it uses less digits than its factorization.

74574123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77676.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 74574123013 in words is "seventy-four billion, five hundred seventy-four million, one hundred twenty-three thousand, thirteen".

Divisors: 1 13 127 587 1651 7631 74549 76949 969137 1000337 9772523 45169063 127042799 587197819 5736471001 74574123013