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19101423132 = 22331116078639
BaseRepresentation
bin10001110010100010…
…001001011000011100
31211022012200211112000
4101302202021120130
5303104431020012
612435225442300
71244231263161
oct216242113034
954265624460
1019101423132
118112289a10
123851040390
131a5548bc4c
14cd2c1a068
1576be20ddc
hex47288961c

19101423132 has 48 divisors (see below), whose sum is σ = 54024230400. Its totient is φ = 5788309680.

The previous prime is 19101423113. The next prime is 19101423161. The reversal of 19101423132 is 23132410191.

19101423132 is a `hidden beast` number, since 1 + 9 + 101 + 423 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 19101423096 and 19101423105.

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, 8038132 + ... + 8040507.

It is an arithmetic number, because the mean of its divisors is an integer number (1125504800).

Almost surely, 219101423132 is an apocalyptic number.

19101423132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19101423132 is an abundant number, since it is smaller than the sum of its proper divisors (34922807268).

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

19101423132 is a wasteful number, since it uses less digits than its factorization.

19101423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16078663 (or 16078655 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 19101423132 in words is "nineteen billion, one hundred one million, four hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 16078639 32157278 48235917 64314556 96471834 144707751 176865029 192943668 289415502 353730058 434123253 530595087 578831004 707460116 868246506 1061190174 1591785261 1736493012 2122380348 3183570522 4775355783 6367141044 9550711566 19101423132