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19796407253 = 77338740523
BaseRepresentation
bin10010011011111101…
…010011001111010101
31220002122102200111122
4102123331103033111
5311020340013003
613032213413325
71300400454020
oct223375231725
956078380448
1019796407253
118439612857
123a0593a245
131b3646325c
14d5b24a1b7
157ace52238
hex49bf533d5

19796407253 has 8 divisors (see below), whose sum is σ = 22934390208. Its totient is φ = 16735905504.

The previous prime is 19796407243. The next prime is 19796407259. The reversal of 19796407253 is 35270469791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19796407253 - 212 = 19796403157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19796407195 and 19796407204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19796407259) 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, 19369751 + ... + 19370772.

It is an arithmetic number, because the mean of its divisors is an integer number (2866798776).

Almost surely, 219796407253 is an apocalyptic number.

It is an amenable number.

19796407253 is a deficient number, since it is larger than the sum of its proper divisors (3137982955).

19796407253 is an equidigital number, since it uses as much as digits as its factorization.

19796407253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740603.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 19796407253 in words is "nineteen billion, seven hundred ninety-six million, four hundred seven thousand, two hundred fifty-three".

Divisors: 1 7 73 511 38740523 271183661 2828058179 19796407253