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20348694476 = 221117103926183
BaseRepresentation
bin10010111100111000…
…000110111111001100
31221112010122210010222
4102330320012333030
5313133231210401
613203103050512
71320155022605
oct227470067714
957463583128
1020348694476
1186a2342380
123b3a8a0a38
131bc39c4826
14db0732dac
157e1697c1b
hex4bce06fcc

20348694476 has 48 divisors (see below), whose sum is σ = 41173816320. Its totient is φ = 8696613120.

The previous prime is 20348694439. The next prime is 20348694491. The reversal of 20348694476 is 67449684302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764081 + ... + 790263.

It is an arithmetic number, because the mean of its divisors is an integer number (857787840).

Almost surely, 220348694476 is an apocalyptic number.

It is an amenable number.

20348694476 is an abundant number, since it is smaller than the sum of its proper divisors (20825121844).

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

20348694476 is a wasteful number, since it uses less digits than its factorization.

20348694476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27254 (or 27252 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 20348694476 in words is "twenty billion, three hundred forty-eight million, six hundred ninety-four thousand, four hundred seventy-six".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 1039 2078 4156 11429 17663 22858 26183 35326 45716 52366 70652 104732 194293 288013 388586 445111 576026 777172 890222 1152052 1780444 4896221 9792442 19584884 27204137 54408274 108816548 299245507 462470329 598491014 924940658 1196982028 1849881316 5087173619 10174347238 20348694476