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19034527872 = 273101490783
BaseRepresentation
bin10001101110100010…
…111101100010000000
31211010112211012110210
4101232202331202000
5302440314342442
612424435554120
71242456550233
oct215642754200
954115735423
1019034527872
118088549578
12383275b940
131a44669659
14cc7da541a
1576610a19c
hex46e8bd880

19034527872 has 64 divisors (see below), whose sum is σ = 51061167360. Its totient is φ = 6282009600.

The previous prime is 19034527847. The next prime is 19034527879. The reversal of 19034527872 is 27872543091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (19034527879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206608 + ... + 284175.

It is an arithmetic number, because the mean of its divisors is an integer number (797830740).

Almost surely, 219034527872 is an apocalyptic number.

19034527872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19034527872 is an abundant number, since it is smaller than the sum of its proper divisors (32026639488).

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

19034527872 is a wasteful number, since it uses less digits than its factorization.

19034527872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490901 (or 490889 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 19034527872 in words is "nineteen billion, thirty-four million, five hundred twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 101 128 192 202 303 384 404 606 808 1212 1616 2424 3232 4848 6464 9696 12928 19392 38784 490783 981566 1472349 1963132 2944698 3926264 5889396 7852528 11778792 15705056 23557584 31410112 47115168 49569083 62820224 94230336 99138166 148707249 188460672 198276332 297414498 396552664 594828996 793105328 1189657992 1586210656 2379315984 3172421312 4758631968 6344842624 9517263936 19034527872