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101492134974 = 2331879483981
BaseRepresentation
bin101111010000101100…
…1110001010000111110
3100200222011100122122000
41132201121301100332
53130323441304344
6114342544403130
710222032625146
oct1364131612076
9320864318560
10101492134974
113a0517341aa
12178056164a6
1397559a9b49
144cab2b7926
15299022da69
hex17a167143e

101492134974 has 16 divisors (see below), whose sum is σ = 225538077840. Its totient is φ = 33830711640.

The previous prime is 101492134921. The next prime is 101492134999. The reversal of 101492134974 is 479431294101.

101492134974 is a `hidden beast` number, since 1 + 0 + 149 + 2 + 13 + 497 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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, 939741937 + ... + 939742044.

It is an arithmetic number, because the mean of its divisors is an integer number (14096129865).

Almost surely, 2101492134974 is an apocalyptic number.

101492134974 is an abundant number, since it is smaller than the sum of its proper divisors (124045942866).

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

101492134974 is a wasteful number, since it uses less digits than its factorization.

101492134974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879483992 (or 1879483986 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 101492134974 in words is "one hundred one billion, four hundred ninety-two million, one hundred thirty-four thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 1879483981 3758967962 5638451943 11276903886 16915355829 33830711658 50746067487 101492134974