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20963056662 = 233388204753
BaseRepresentation
bin10011100001011111…
…101101110000010110
32000002221200121122000
4103201133231300112
5320413020303122
613344051020130
71341325020162
oct234137556026
960087617560
1020963056662
11898810a819
12409059a646
131c9107b652
14102c177ca2
1582a5a10ac
hex4e17edc16

20963056662 has 16 divisors (see below), whose sum is σ = 46584570480. Its totient is φ = 6987685536.

The previous prime is 20963056657. The next prime is 20963056669. The reversal of 20963056662 is 26665036902.

It is a super-2 number, since 2×209630566622 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20963056669) by changing a digit.

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, 194102323 + ... + 194102430.

It is an arithmetic number, because the mean of its divisors is an integer number (2911535655).

Almost surely, 220963056662 is an apocalyptic number.

20963056662 is an abundant number, since it is smaller than the sum of its proper divisors (25621513818).

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

20963056662 is a wasteful number, since it uses less digits than its factorization.

20963056662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388204764 (or 388204758 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 20963056662 in words is "twenty billion, nine hundred sixty-three million, fifty-six thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 54 388204753 776409506 1164614259 2329228518 3493842777 6987685554 10481528331 20963056662