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20470846834 = 222745089971
BaseRepresentation
bin10011000100001010…
…000101010101110010
31221211122111202200101
4103010022011111302
5313411014044314
613223145143014
71323200220124
oct230412052562
957748452611
1020470846834
118755294239
123b7378aa6a
131c130c3329
14dc2a4d214
157ec276174
hex4c4285572

20470846834 has 8 divisors (see below), whose sum is σ = 30841540848. Its totient is φ = 10190333220.

The previous prime is 20470846813. The next prime is 20470846849. The reversal of 20470846834 is 43864807402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22544532 + ... + 22545439.

It is an arithmetic number, because the mean of its divisors is an integer number (3855192606).

Almost surely, 220470846834 is an apocalyptic number.

20470846834 is a deficient number, since it is larger than the sum of its proper divisors (10370694014).

20470846834 is a wasteful number, since it uses less digits than its factorization.

20470846834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45090200.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 20470846834 in words is "twenty billion, four hundred seventy million, eight hundred forty-six thousand, eight hundred thirty-four".

Divisors: 1 2 227 454 45089971 90179942 10235423417 20470846834