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7168820742042 = 236393711868717
BaseRepresentation
bin110100001010001111100…
…0000111000011110011010
3221101022222102222020200220
41220110133000320132122
51414423221102221132
623125151043540510
71336634026616421
oct150243700703632
927338872866626
107168820742042
112314309466563
1297944768a736
1340002b17132b
141aad8941c2b8
15c6726759a2c
hex6851f03879a

7168820742042 has 16 divisors (see below), whose sum is σ = 14337671581152. Its totient is φ = 2389601897840.

The previous prime is 7168820741993. The next prime is 7168820742043. The reversal of 7168820742042 is 2402470288617.

It is a super-2 number, since 2×71688207420422 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7168820742043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901868 + ... + 4770584.

It is an arithmetic number, because the mean of its divisors is an integer number (896104473822).

Almost surely, 27168820742042 is an apocalyptic number.

7168820742042 is an abundant number, since it is smaller than the sum of its proper divisors (7168850839110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7168820742042 is a wasteful number, since it uses less digits than its factorization.

7168820742042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508093.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 7168820742042 in words is "seven trillion, one hundred sixty-eight billion, eight hundred twenty million, seven hundred forty-two thousand, forty-two".

Divisors: 1 2 3 6 639371 1278742 1868717 1918113 3737434 3836226 5606151 11212302 1194803457007 2389606914014 3584410371021 7168820742042