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75132291042 = 2331391338723
BaseRepresentation
bin100010111111000111…
…0111100011111100010
321011221002122211122000
41011332032330133202
52212332331303132
654303145424430
75266563636204
oct1057616743742
9234832584560
1075132291042
1129955246316
121268979b116
137114814763
1438ca4b2774
151e4ae9987c
hex117e3bc7e2

75132291042 has 16 divisors (see below), whose sum is σ = 166960646880. Its totient is φ = 25044096996.

The previous prime is 75132291037. The next prime is 75132291043. The reversal of 75132291042 is 24019223157.

It is a super-2 number, since 2×751322910422 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75132290988 and 75132291006.

It is not an unprimeable number, because it can be changed into a prime (75132291043) 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, 695669308 + ... + 695669415.

It is an arithmetic number, because the mean of its divisors is an integer number (10435040430).

Almost surely, 275132291042 is an apocalyptic number.

75132291042 is an abundant number, since it is smaller than the sum of its proper divisors (91828355838).

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

75132291042 is a wasteful number, since it uses less digits than its factorization.

75132291042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391338734 (or 1391338728 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 75132291042 in words is "seventy-five billion, one hundred thirty-two million, two hundred ninety-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 1391338723 2782677446 4174016169 8348032338 12522048507 25044097014 37566145521 75132291042