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10133492777 = 82193123289
BaseRepresentation
bin10010111000000000…
…01101010000101001
3222011012221202210022
421130000031100221
5131223133232102
64353311530225
7506055160502
oct113400152051
928135852708
1010133492777
114330102121
121b69829975
13c56559995
146c1b91ba9
153e497b5a2
hex25c00d429

10133492777 has 4 divisors (see below), whose sum is σ = 10133698260. Its totient is φ = 10133287296.

The previous prime is 10133492749. The next prime is 10133492779. The reversal of 10133492777 is 77729433101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 588984361 + 9544508416 = 24269^2 + 97696^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133492777 - 26 = 10133492713 is a prime.

It is a super-2 number, since 2×101334927772 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10133492779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20549 + ... + 143837.

It is an arithmetic number, because the mean of its divisors is an integer number (2533424565).

It is a Poulet number, since it divides 210133492776-1.

Almost surely, 210133492777 is an apocalyptic number.

10133492777 is the 82193-rd pentagonal number.

It is an amenable number.

10133492777 is a deficient number, since it is larger than the sum of its proper divisors (205483).

10133492777 is an equidigital number, since it uses as much as digits as its factorization.

10133492777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205482.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 10133492777 in words is "ten billion, one hundred thirty-three million, four hundred ninety-two thousand, seven hundred seventy-seven".

Divisors: 1 82193 123289 10133492777