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20314774146 = 2322371513543
BaseRepresentation
bin10010111010110110…
…101101101010000010
31221102202211110012110
4102322312231222002
5313101040233041
613155452040150
71316263505532
oct227266555202
957382743173
1020314774146
118685184547
123b2b463056
131bb9979324
14daa0234c2
157dd6e7516
hex4badada82

20314774146 has 16 divisors (see below), whose sum is σ = 40647737664. Its totient is φ = 6768559824.

The previous prime is 20314774111. The next prime is 20314774163. The reversal of 20314774146 is 64147741302.

It is a super-3 number, since 3×203147741463 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743350 + ... + 770193.

It is an arithmetic number, because the mean of its divisors is an integer number (2540483604).

Almost surely, 220314774146 is an apocalyptic number.

20314774146 is an abundant number, since it is smaller than the sum of its proper divisors (20332963518).

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

20314774146 is a wasteful number, since it uses less digits than its factorization.

20314774146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515785.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 20314774146 in words is "twenty billion, three hundred fourteen million, seven hundred seventy-four thousand, one hundred forty-six".

Divisors: 1 2 3 6 2237 4474 6711 13422 1513543 3027086 4540629 9081258 3385795691 6771591382 10157387073 20314774146