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20214293902 = 2117911630779
BaseRepresentation
bin10010110100110111…
…011010010110001110
31221011202202112012221
4102310313122112032
5312344324401102
613141502245554
71313633443315
oct226467322616
957152675187
1020214293902
118633495220
123b018868ba
131ba1bc806a
14d9a94927c
157d499a637
hex4b4dda58e

20214293902 has 16 divisors (see below), whose sum is σ = 33496646400. Its totient is φ = 9072006840.

The previous prime is 20214293839. The next prime is 20214293927. The reversal of 20214293902 is 20939241202.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5813652 + ... + 5817127.

It is an arithmetic number, because the mean of its divisors is an integer number (2093540400).

Almost surely, 220214293902 is an apocalyptic number.

20214293902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20214293902 is a deficient number, since it is larger than the sum of its proper divisors (13282352498).

20214293902 is a wasteful number, since it uses less digits than its factorization.

20214293902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630871.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 20214293902 in words is "twenty billion, two hundred fourteen million, two hundred ninety-three thousand, nine hundred two".

Divisors: 1 2 11 22 79 158 869 1738 11630779 23261558 127938569 255877138 918831541 1837663082 10107146951 20214293902