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20476462012 = 226776404709
BaseRepresentation
bin10011000100011111…
…100000001110111100
31221212001002001020221
4103010133200032330
5313413433241022
613223505351124
71323266024656
oct230437401674
957761061227
1020476462012
118758479a86
123b756384a4
131c1430b116
14dc36b16d6
157ec9d4cc7
hex4c47e03bc

20476462012 has 12 divisors (see below), whose sum is σ = 36368641960. Its totient is φ = 10085421456.

The previous prime is 20476462009. The next prime is 20476462021. The reversal of 20476462012 is 21026467402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38202087 + ... + 38202622.

Almost surely, 220476462012 is an apocalyptic number.

It is an amenable number.

20476462012 is a deficient number, since it is larger than the sum of its proper divisors (15892179948).

20476462012 is a wasteful number, since it uses less digits than its factorization.

20476462012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76404780 (or 76404778 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 20476462012 in words is "twenty billion, four hundred seventy-six million, four hundred sixty-two thousand, twelve".

Divisors: 1 2 4 67 134 268 76404709 152809418 305618836 5119115503 10238231006 20476462012