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838426012213 = 17531039034471
BaseRepresentation
bin11000011001101100001…
…01011010101000110101
32222011010100110102011011
430030312011122220311
5102214044024342323
61441100111112221
7114400656342106
oct14146605325065
92864110412134
10838426012213
112a3635698489
121165ab212671
13610a8c02cca
142c8198903ad
1516c21a1720d
hexc33615aa35

838426012213 has 16 divisors (see below), whose sum is σ = 913276705536. Its totient is φ = 766701262080.

The previous prime is 838426012187. The next prime is 838426012231. The reversal of 838426012213 is 312210624838.

It is not a de Polignac number, because 838426012213 - 213 = 838426004021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838426012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4424433 + ... + 4610038.

It is an arithmetic number, because the mean of its divisors is an integer number (57079794096).

Almost surely, 2838426012213 is an apocalyptic number.

It is an amenable number.

838426012213 is a deficient number, since it is larger than the sum of its proper divisors (74850693323).

838426012213 is a wasteful number, since it uses less digits than its factorization.

838426012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034644.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 838426012213 in words is "eight hundred thirty-eight billion, four hundred twenty-six million, twelve thousand, two hundred thirteen".

Divisors: 1 17 53 103 901 1751 5459 92803 9034471 153586007 478826963 930550513 8140058371 15819358721 49319177189 838426012213