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187329146020 = 22510192737201
BaseRepresentation
bin1010111001110110101…
…1111110110010100100
3122220112021211121111021
42232131223332302210
511032122230133040
6222020253420524
716351122316522
oct2563553766244
9586467747437
10187329146020
117249a468055
123038019a744
13148851b1643
1490d1355312
154d15d8c24a
hex2b9dafeca4

187329146020 has 24 divisors (see below), whose sum is σ = 397286173368. Its totient is φ = 74189760000.

The previous prime is 187329145999. The next prime is 187329146033. The reversal of 187329146020 is 20641923781.

It can be written as a sum of positive squares in 4 ways, for example, as 107395154944 + 79933991076 = 327712^2 + 282726^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46366581 + ... + 46370620.

It is an arithmetic number, because the mean of its divisors is an integer number (16553590557).

Almost surely, 2187329146020 is an apocalyptic number.

187329146020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187329146020 is an abundant number, since it is smaller than the sum of its proper divisors (209957027348).

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

187329146020 is a wasteful number, since it uses less digits than its factorization.

187329146020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92737311 (or 92737309 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 187329146020 in words is "one hundred eighty-seven billion, three hundred twenty-nine million, one hundred forty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 92737201 185474402 370948804 463686005 927372010 1854744020 9366457301 18732914602 37465829204 46832286505 93664573010 187329146020