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79933471411 = 711125823541
BaseRepresentation
bin100101001110001100…
…1111111101010110011
321122022200221001221011
41022130121333222303
52302200432041121
6100415415411351
75526553203463
oct1123431775263
9248280831834
1079933471411
11309993a7182
12135a9683b57
1376cb4103a1
143c23dbbba3
15212c72b7e1
hex129c67fab3

79933471411 has 4 divisors (see below), whose sum is σ = 81059295024. Its totient is φ = 78807647800.

The previous prime is 79933471381. The next prime is 79933471417. The reversal of 79933471411 is 11417433997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11417433997 = 15277747361.

It is a cyclic number.

It is not a de Polignac number, because 79933471411 - 213 = 79933463219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79933471417) 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, 562911700 + ... + 562911841.

It is an arithmetic number, because the mean of its divisors is an integer number (20264823756).

Almost surely, 279933471411 is an apocalyptic number.

79933471411 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

79933471411 is the 126439-th centered decagonal number.

79933471411 is a deficient number, since it is larger than the sum of its proper divisors (1125823613).

79933471411 is a wasteful number, since it uses less digits than its factorization.

79933471411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125823612.

The product of its digits is 571536, while the sum is 49.

The spelling of 79933471411 in words is "seventy-nine billion, nine hundred thirty-three million, four hundred seventy-one thousand, four hundred eleven".

Divisors: 1 71 1125823541 79933471411