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19272909102 = 234145377489
BaseRepresentation
bin10001111100110000…
…010100000100101110
31211202011101020001020
4101330300110010232
5303432331042402
612504233155010
71251413011236
oct217460240456
954664336036
1019272909102
1181a0066957
12389a55ba66
131a81b71735
14d0b8d8cc6
1577bee68bc
hex47cc1412e

19272909102 has 16 divisors (see below), whose sum is σ = 38547245520. Its totient is φ = 6424065152.

The previous prime is 19272909101. The next prime is 19272909113. The reversal of 19272909102 is 20190927291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19272909101) 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, 209974 + ... + 287462.

It is an arithmetic number, because the mean of its divisors is an integer number (2409202845).

Almost surely, 219272909102 is an apocalyptic number.

19272909102 is an abundant number, since it is smaller than the sum of its proper divisors (19274336418).

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

19272909102 is a wasteful number, since it uses less digits than its factorization.

19272909102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118947.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 19272909102 in words is "nineteen billion, two hundred seventy-two million, nine hundred nine thousand, one hundred two".

Divisors: 1 2 3 6 41453 77489 82906 124359 154978 232467 248718 464934 3212151517 6424303034 9636454551 19272909102