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19468109276 = 22711151418597
BaseRepresentation
bin10010001000011000…
…111100010111011100
31212020202200102100022
4102020120330113130
5304332313444101
612535445051312
71256303125040
oct221030742734
955222612308
1019468109276
118290270710
1239339b6b38
131ab34380b5
14d297cc020
1578e203a1b
hex48863c5dc

19468109276 has 48 divisors (see below), whose sum is σ = 42757274112. Its totient is φ = 7534728000.

The previous prime is 19468109267. The next prime is 19468109299. The reversal of 19468109276 is 67290186491.

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, 162791 + ... + 255806.

It is an arithmetic number, because the mean of its divisors is an integer number (890776544).

Almost surely, 219468109276 is an apocalyptic number.

It is an amenable number.

19468109276 is an abundant number, since it is smaller than the sum of its proper divisors (23289164836).

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

19468109276 is a wasteful number, since it uses less digits than its factorization.

19468109276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418770 (or 418768 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 19468109276 in words is "nineteen billion, four hundred sixty-eight million, one hundred nine thousand, two hundred seventy-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 151 154 302 308 604 1057 1661 2114 3322 4228 6644 11627 23254 46508 418597 837194 1674388 2930179 4604567 5860358 9209134 11720716 18418268 32231969 63208147 64463938 126416294 128927876 252832588 442457029 695289617 884914058 1390579234 1769828116 2781158468 4867027319 9734054638 19468109276