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20832158680 = 235520803967
BaseRepresentation
bin10011011001101100…
…011000001111011000
31222202211101022100121
4103121230120033120
5320131013034210
613323053243024
71335145266334
oct233154301730
958684338317
1020832158680
118920235173
124054793474
131c6cc0a218
141018a227c4
1581dd466da
hex4d9b183d8

20832158680 has 16 divisors (see below), whose sum is σ = 46872357120. Its totient is φ = 8332863456.

The previous prime is 20832158653. The next prime is 20832158707. The reversal of 20832158680 is 8685123802.

It is an interprime number because it is at equal distance from previous prime (20832158653) and next prime (20832158707).

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, 260401944 + ... + 260402023.

It is an arithmetic number, because the mean of its divisors is an integer number (2929522320).

Almost surely, 220832158680 is an apocalyptic number.

20832158680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20832158680 is an abundant number, since it is smaller than the sum of its proper divisors (26040198440).

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

20832158680 is a wasteful number, since it uses less digits than its factorization.

20832158680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520803978 (or 520803974 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 20832158680 in words is "twenty billion, eight hundred thirty-two million, one hundred fifty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 520803967 1041607934 2083215868 2604019835 4166431736 5208039670 10416079340 20832158680