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42900173524 = 2213825003337
BaseRepresentation
bin100111111101000011…
…001011001011010100
311002201210020121122201
4213331003023023110
51200324421023044
631412535334244
73046051313125
oct477503131324
9132653217581
1042900173524
111721503636a
128393221384
134078b84280
14210d82a04c
1511b140c7d4
hex9fd0cb2d4

42900173524 has 12 divisors (see below), whose sum is σ = 80850327124. Its totient is φ = 19800080064.

The previous prime is 42900173521. The next prime is 42900173539. The reversal of 42900173524 is 42537100924.

It can be written as a sum of positive squares in 2 ways, for example, as 19527267600 + 23372905924 = 139740^2 + 152882^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900173521) 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 3 ways as a sum of consecutive naturals, for example, 412501617 + ... + 412501720.

Almost surely, 242900173524 is an apocalyptic number.

It is an amenable number.

42900173524 is a deficient number, since it is larger than the sum of its proper divisors (37950153600).

42900173524 is a wasteful number, since it uses less digits than its factorization.

42900173524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825003354 (or 825003352 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 42900173524 in words is "forty-two billion, nine hundred million, one hundred seventy-three thousand, five hundred twenty-four".

Divisors: 1 2 4 13 26 52 825003337 1650006674 3300013348 10725043381 21450086762 42900173524