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74014315987 = 89203829729
BaseRepresentation
bin100010011101110011…
…0001101010111010011
321002001011222211011111
41010323212031113103
52203040131102422
654000211354151
75230100206543
oct1047346152723
9232034884144
1074014315987
1129431174097
12124172b2957
136c9700c261
143821c15323
151dd2c62a77
hex113b98d5d3

74014315987 has 4 divisors (see below), whose sum is σ = 74015234920. Its totient is φ = 74013397056.

The previous prime is 74014315967. The next prime is 74014316029. The reversal of 74014315987 is 78951341047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74014315987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74014315987.

It is not an unprimeable number, because it can be changed into a prime (74014315937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325662 + ... + 504067.

It is an arithmetic number, because the mean of its divisors is an integer number (18503808730).

Almost surely, 274014315987 is an apocalyptic number.

74014315987 is a deficient number, since it is larger than the sum of its proper divisors (918933).

74014315987 is an equidigital number, since it uses as much as digits as its factorization.

74014315987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918932.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 74014315987 in words is "seventy-four billion, fourteen million, three hundred fifteen thousand, nine hundred eighty-seven".

Divisors: 1 89203 829729 74014315987