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193719025164 = 22376137806211
BaseRepresentation
bin1011010001101010001…
…1011011111000001100
3200112000121112002210210
42310122203123320030
511133214032301124
6224554315002420
716665352355010
oct2643243337014
9615017462723
10193719025164
1175179380905
1231664139410
1315362c87112
149539c52540
15508bd39a29
hex2d1a8dbe0c

193719025164 has 48 divisors (see below), whose sum is σ = 525052672256. Its totient is φ = 54440942400.

The previous prime is 193719025163. The next prime is 193719025177. The reversal of 193719025164 is 461520917391.

193719025164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (193719025163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18897982 + ... + 18908229.

Almost surely, 2193719025164 is an apocalyptic number.

193719025164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

193719025164 is an abundant number, since it is smaller than the sum of its proper divisors (331333647092).

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

193719025164 is a wasteful number, since it uses less digits than its factorization.

193719025164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37806286 (or 37806284 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 193719025164 in words is "one hundred ninety-three billion, seven hundred nineteen million, twenty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 61 84 122 183 244 366 427 732 854 1281 1708 2562 5124 37806211 75612422 113418633 151224844 226837266 264643477 453674532 529286954 793930431 1058573908 1587860862 2306178871 3175721724 4612357742 6918536613 9224715484 13837073226 16143252097 27674146452 32286504194 48429756291 64573008388 96859512582 193719025164