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20294973862 = 282112359911
BaseRepresentation
bin10010111001101011…
…001011100110100110
31221101101120111022121
4102321223023212212
5313031003130422
613153503420154
71315633301002
oct227153134646
957341514277
1020294973862
118674a90279
123b248b465a
131bb5835a97
14da754b702
157dbad58c7
hex4b9acb9a6

20294973862 has 8 divisors (see below), whose sum is σ = 30479542992. Its totient is φ = 10135126200.

The previous prime is 20294973857. The next prime is 20294973911. The reversal of 20294973862 is 26837949202.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178314 + ... + 6181597.

It is an arithmetic number, because the mean of its divisors is an integer number (3809942874).

Almost surely, 220294973862 is an apocalyptic number.

20294973862 is a deficient number, since it is larger than the sum of its proper divisors (10184569130).

20294973862 is a wasteful number, since it uses less digits than its factorization.

20294973862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360734.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 20294973862 in words is "twenty billion, two hundred ninety-four million, nine hundred seventy-three thousand, eight hundred sixty-two".

Divisors: 1 2 821 1642 12359911 24719822 10147486931 20294973862