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10661020662 = 232236979433
BaseRepresentation
bin10011110110111001…
…00100001111110110
31000111222120222000010
421323130210033312
5133313210130122
64521514401050
7525122115615
oct117334441766
930458528003
1010661020662
114580960686
122096430186
13100b92c766
14731c7187c
15425e30e0c
hex27b7243f6

10661020662 has 16 divisors (see below), whose sum is σ = 21323262960. Its totient is φ = 3553469952.

The previous prime is 10661020627. The next prime is 10661020663. The reversal of 10661020662 is 26602016601.

It is a super-2 number, since 2×106610206622 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661020663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94498 + ... + 173930.

It is an arithmetic number, because the mean of its divisors is an integer number (1332703935).

Almost surely, 210661020662 is an apocalyptic number.

10661020662 is an abundant number, since it is smaller than the sum of its proper divisors (10662242298).

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

10661020662 is a wasteful number, since it uses less digits than its factorization.

10661020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101807.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 10661020662 in words is "ten billion, six hundred sixty-one million, twenty thousand, six hundred sixty-two".

Divisors: 1 2 3 6 22369 44738 67107 79433 134214 158866 238299 476598 1776836777 3553673554 5330510331 10661020662