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11473194769 = 432472532
BaseRepresentation
bin10101010111101101…
…10000111100010001
31002121120211200102121
422223312300330101
5141444114213034
65134250214241
7554213355301
oct125366607421
932546750377
1011473194769
114958357053
122282424381
13110ac8595a
147aba89601
154723b01b4
hex2abdb0f11

11473194769 has 27 divisors (see below), whose sum is σ = 12232170363. Its totient is φ = 10761000432.

The previous prime is 11473194757. The next prime is 11473194773. The reversal of 11473194769 is 96749137411.

The square root of 11473194769 is 107113.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8270993025 + 3202201744 = 90945^2 + 56588^2 .

It is not a de Polignac number, because 11473194769 - 225 = 11439640337 is a prime.

It is a super-2 number, since 2×114731947692 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11473194749) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 216475347 + ... + 216475399.

Almost surely, 211473194769 is an apocalyptic number.

11473194769 is the 107113-rd square number.

11473194769 is the 53557-th centered octagonal number.

It is an amenable number.

11473194769 is a deficient number, since it is larger than the sum of its proper divisors (758975594).

11473194769 is an frugal number, since it uses more digits than its factorization.

11473194769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 143 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The spelling of 11473194769 in words is "eleven billion, four hundred seventy-three million, one hundred ninety-four thousand, seven hundred sixty-nine".

Divisors: 1 43 47 53 1849 2021 2209 2279 2491 2809 86903 94987 97997 107113 117077 120787 132023 4084441 4605859 5034311 5193841 5676989 6205081 216475373 244110527 266818483 11473194769