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187199700412 = 22431108584513
BaseRepresentation
bin1010111001010111111…
…0001011110110111100
3122220012021021002111111
42232111332023312330
511031341110403122
6221555351131404
716344661125214
oct2562576136674
9586167232444
10187199700412
117243339470a
1230344973b64
131486442b2ca
1490bc09b244
154d0981cd77
hex2b95f8bdbc

187199700412 has 12 divisors (see below), whose sum is σ = 328359570336. Its totient is φ = 93382680320.

The previous prime is 187199700383. The next prime is 187199700437. The reversal of 187199700412 is 214007991781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54290533 + ... + 54293980.

It is an arithmetic number, because the mean of its divisors is an integer number (27363297528).

Almost surely, 2187199700412 is an apocalyptic number.

It is an amenable number.

187199700412 is a deficient number, since it is larger than the sum of its proper divisors (141159869924).

187199700412 is a wasteful number, since it uses less digits than its factorization.

187199700412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108584948 (or 108584946 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 187199700412 in words is "one hundred eighty-seven billion, one hundred ninety-nine million, seven hundred thousand, four hundred twelve".

Divisors: 1 2 4 431 862 1724 108584513 217169026 434338052 46799925103 93599850206 187199700412