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999999000022 = 211259511751551
BaseRepresentation
bin11101000110101001001…
…01011100110111010110
310112121011122112121202211
432203110211130313112
5112340444221000042
62043220533024034
7132150623152441
oct16432445346726
93477148477684
10999999000022
11356108402670
1214198178501a
13733b8008639
1436586266658
151b02b61a017
hexe8d495cdd6

999999000022 has 16 divisors (see below), whose sum is σ = 1636425990144. Its totient is φ = 454527225000.

The previous prime is 999999000001. The next prime is 999999000053. The reversal of 999999000022 is 220000999999.

It is a zygodrome in base 10.

It is a congruent number.

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, 304854 + ... + 1446697.

It is an arithmetic number, because the mean of its divisors is an integer number (102276624384).

Almost surely, 2999999000022 is an apocalyptic number.

999999000022 is a deficient number, since it is larger than the sum of its proper divisors (636426990122).

999999000022 is a wasteful number, since it uses less digits than its factorization.

999999000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777515.

The product of its (nonzero) digits is 2125764, while the sum is 58.

The spelling of 999999000022 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, twenty-two", and thus it is an aban number.

Divisors: 1 2 11 22 25951 51902 285461 570922 1751551 3503102 19267061 38534122 45454500001 90909000002 499999500011 999999000022