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20863080282 = 2311316107277
BaseRepresentation
bin10011011011100010…
…010101011101011010
31222211222120021211010
4103123202111131122
5320211422032112
613330120114350
71336002153642
oct233342253532
958758507733
1020863080282
118936735010
1240630059b6
131c76445825
14101cb91522
1582190363c
hex4db89575a

20863080282 has 16 divisors (see below), whose sum is σ = 45519448032. Its totient is φ = 6322145520.

The previous prime is 20863080263. The next prime is 20863080299. The reversal of 20863080282 is 28208036802.

It is a self number, because there is not a number n which added to its sum of digits gives 20863080282.

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, 158053573 + ... + 158053704.

It is an arithmetic number, because the mean of its divisors is an integer number (2844965502).

Almost surely, 220863080282 is an apocalyptic number.

20863080282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20863080282 is an abundant number, since it is smaller than the sum of its proper divisors (24656367750).

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

20863080282 is a wasteful number, since it uses less digits than its factorization.

20863080282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316107293.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 20863080282 in words is "twenty billion, eight hundred sixty-three million, eighty thousand, two hundred eighty-two".

Divisors: 1 2 3 6 11 22 33 66 316107277 632214554 948321831 1896643662 3477180047 6954360094 10431540141 20863080282