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199674124892 = 221119475081801
BaseRepresentation
bin1011100111110110000…
…0010101101001011100
3201002101122002111212222
42321331200111221130
511232413033444032
6231421245244512
720266053025544
oct2717540255134
9632348074788
10199674124892
1177754924430
1232846563738
1315aa1961a78
149942ad4324
1552d9a53a12
hex2e7d815a5c

199674124892 has 48 divisors (see below), whose sum is σ = 409796513280. Its totient is φ = 84154608000.

The previous prime is 199674124883. The next prime is 199674124921. The reversal of 199674124892 is 298421476991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501609 + ... + 2580192.

It is an arithmetic number, because the mean of its divisors is an integer number (8537427360).

Almost surely, 2199674124892 is an apocalyptic number.

It is an amenable number.

199674124892 is an abundant number, since it is smaller than the sum of its proper divisors (210122388388).

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

199674124892 is a wasteful number, since it uses less digits than its factorization.

199674124892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081882 (or 5081880 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The spelling of 199674124892 in words is "one hundred ninety-nine billion, six hundred seventy-four million, one hundred twenty-four thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 19 22 38 44 47 76 94 188 209 418 517 836 893 1034 1786 2068 3572 9823 19646 39292 5081801 10163602 20327204 55899811 96554219 111799622 193108438 223599244 238844647 386216876 477689294 955378588 1062096409 2124192818 2627291117 4248385636 4538048293 5254582234 9076096586 10509164468 18152193172 49918531223 99837062446 199674124892