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16434270839 = 731471611361
BaseRepresentation
bin11110100111000111…
…10001001001110111
31120102022222110101202
433103203301021313
5232124133131324
611314431243115
71121153666030
oct172343611167
946368873352
1016434270839
116a73798a18
12322797949b
13171ba3671c
14b1c8d7a87
15662bc88ae
hex3d38f1277

16434270839 has 16 divisors (see below), whose sum is σ = 19800416256. Its totient is φ = 13342060800.

The previous prime is 16434270833. The next prime is 16434270847. The reversal of 16434270839 is 93807243461.

It is a cyclic number.

It is not a de Polignac number, because 16434270839 - 24 = 16434270823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16434270793 and 16434270802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434270833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795482 + ... + 815879.

It is an arithmetic number, because the mean of its divisors is an integer number (1237526016).

Almost surely, 216434270839 is an apocalyptic number.

16434270839 is a deficient number, since it is larger than the sum of its proper divisors (3366145417).

16434270839 is a wasteful number, since it uses less digits than its factorization.

16434270839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611446.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 16434270839 in words is "sixteen billion, four hundred thirty-four million, two hundred seventy thousand, eight hundred thirty-nine".

Divisors: 1 7 31 47 217 329 1457 10199 1611361 11279527 49952191 75733967 349665337 530137769 2347752977 16434270839