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20467705102 = 213787219427
BaseRepresentation
bin10011000011111110…
…000110010100001110
31221211102121011000221
4103003332012110032
5313404213030402
613222553541554
71323131423425
oct230376062416
957742534027
1020467705102
118753538869
123b727148ba
131c12563310
14dc24722bc
157ebd55337
hex4c3f8650e

20467705102 has 8 divisors (see below), whose sum is σ = 33063215976. Its totient is φ = 9446633112.

The previous prime is 20467705039. The next prime is 20467705123. The reversal of 20467705102 is 20150776402.

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

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, 393609688 + ... + 393609739.

It is an arithmetic number, because the mean of its divisors is an integer number (4132901997).

Almost surely, 220467705102 is an apocalyptic number.

20467705102 is a deficient number, since it is larger than the sum of its proper divisors (12595510874).

20467705102 is a wasteful number, since it uses less digits than its factorization.

20467705102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787219442.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 20467705102 in words is "twenty billion, four hundred sixty-seven million, seven hundred five thousand, one hundred two".

Divisors: 1 2 13 26 787219427 1574438854 10233852551 20467705102