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187670425684 = 227531071181893
BaseRepresentation
bin1010111011001000000…
…1110111000001010100
3122221102002000102011211
42232302001313001110
511033322112110214
6222114204311204
716362435204130
oct2566201670124
9587362012154
10187670425684
1172655076565
1230456542504
131490ab03581
1491247d23c0
154d35d020c4
hex2bb2077054

187670425684 has 48 divisors (see below), whose sum is σ = 385997125248. Its totient is φ = 78175064448.

The previous prime is 187670425627. The next prime is 187670425697. The reversal of 187670425684 is 486524076781.

187670425684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432159 + ... + 749734.

It is an arithmetic number, because the mean of its divisors is an integer number (8041606776).

Almost surely, 2187670425684 is an apocalyptic number.

187670425684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

187670425684 is an abundant number, since it is smaller than the sum of its proper divisors (198326699564).

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

187670425684 is a wasteful number, since it uses less digits than its factorization.

187670425684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182064 (or 1182062 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 187670425684 in words is "one hundred eighty-seven billion, six hundred seventy million, four hundred twenty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 53 106 107 212 214 371 428 742 749 1484 1498 2996 5671 11342 22684 39697 79394 158788 1181893 2363786 4727572 8273251 16546502 33093004 62640329 125280658 126462551 250561316 252925102 438482303 505850204 876964606 885237857 1753929212 1770475714 3540951428 6702515203 13405030406 26810060812 46917606421 93835212842 187670425684