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74102844137 = 7311226327847
BaseRepresentation
bin100010100000011011…
…1111010101011101001
321002021100120111221212
41011000313322223221
52203230312003022
654013053042505
75232223532240
oct1050067725351
9232240514855
1074102844137
112947713a653
1212440a86435
136cac46728a
14382d89b957
151dda8ed3e2
hex1140dfaae9

74102844137 has 16 divisors (see below), whose sum is σ = 87431135232. Its totient is φ = 61460577360.

The previous prime is 74102844119. The next prime is 74102844149. The reversal of 74102844137 is 73144820147.

It is not a de Polignac number, because 74102844137 - 26 = 74102844073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74102844094 and 74102844103.

It is not an unprimeable number, because it can be changed into a prime (74102844107) 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 15 ways as a sum of consecutive naturals, for example, 2647148 + ... + 2674994.

It is an arithmetic number, because the mean of its divisors is an integer number (5464445952).

Almost surely, 274102844137 is an apocalyptic number.

It is an amenable number.

74102844137 is a deficient number, since it is larger than the sum of its proper divisors (13328291095).

74102844137 is a wasteful number, since it uses less digits than its factorization.

74102844137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40148.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 74102844137 in words is "seventy-four billion, one hundred two million, eight hundred forty-four thousand, one hundred thirty-seven".

Divisors: 1 7 31 217 12263 27847 85841 194929 380153 863257 2661071 6042799 341487761 2390414327 10586120591 74102844137