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19413786072 = 23317167284927
BaseRepresentation
bin10010000101001001…
…101101110111011000
31212002222110111220210
4102011021231313120
5304224412123242
612530224451120
71255043313252
oct220511556730
955088414823
1019413786072
1182626378aa
123919779aa0
131aa50c7ca5
14d224cacd2
15789572d9c
hex48526ddd8

19413786072 has 64 divisors (see below), whose sum is σ = 51697336320. Its totient is φ = 6054107648.

The previous prime is 19413786059. The next prime is 19413786083. The reversal of 19413786072 is 27068731491.

It is a happy number.

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, 74328 + ... + 210599.

It is an arithmetic number, because the mean of its divisors is an integer number (807770880).

Almost surely, 219413786072 is an apocalyptic number.

19413786072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19413786072 is an abundant number, since it is smaller than the sum of its proper divisors (32283550248).

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

19413786072 is a wasteful number, since it uses less digits than its factorization.

19413786072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285120 (or 285116 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 19413786072 in words is "nineteen billion, four hundred thirteen million, seven hundred eighty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 167 204 334 408 501 668 1002 1336 2004 2839 4008 5678 8517 11356 17034 22712 34068 68136 284927 569854 854781 1139708 1709562 2279416 3419124 4843759 6838248 9687518 14531277 19375036 29062554 38750072 47582809 58125108 95165618 116250216 142748427 190331236 285496854 380662472 570993708 808907753 1141987416 1617815506 2426723259 3235631012 4853446518 6471262024 9706893036 19413786072