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190645760708 = 22138344171863
BaseRepresentation
bin1011000110001101011…
…1110111001011000100
3200020002102122002112022
42301203113313023010
511110420303320313
6223325332142312
716526244141224
oct2614327671304
9606072562468
10190645760708
117394161a827
1230b46a67998
1314c93360240
149327a18084
154e5c122c08
hex2c635f72c4

190645760708 has 24 divisors (see below), whose sum is σ = 363622784448. Its totient is φ = 86930224416.

The previous prime is 190645760677. The next prime is 190645760729. The reversal of 190645760708 is 807067546091.

It is a super-2 number, since 2×1906457607082 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 190645760708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22081616 + ... + 22090247.

It is an arithmetic number, because the mean of its divisors is an integer number (15150949352).

Almost surely, 2190645760708 is an apocalyptic number.

It is an amenable number.

190645760708 is a deficient number, since it is larger than the sum of its proper divisors (172977023740).

190645760708 is a wasteful number, since it uses less digits than its factorization.

190645760708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44171963 (or 44171961 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 190645760708 in words is "one hundred ninety billion, six hundred forty-five million, seven hundred sixty thousand, seven hundred eight".

Divisors: 1 2 4 13 26 52 83 166 332 1079 2158 4316 44171863 88343726 176687452 574234219 1148468438 2296936876 3666264629 7332529258 14665058516 47661440177 95322880354 190645760708