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105731004834 = 23371321516281
BaseRepresentation
bin110001001111000001…
…1110001100110100010
3101002220120112112221000
41202132003301212202
53213014114123314
6120323330212430
710432053466260
oct1423603614642
9332816475830
10105731004834
1140927439934
12185a9124116
139c7cc44b70
14519024b430
152b3c43a209
hex189e0f19a2

105731004834 has 64 divisors (see below), whose sum is σ = 289178830080. Its totient is φ = 27885098880.

The previous prime is 105731004803. The next prime is 105731004839. The reversal of 105731004834 is 438400137501.

It is a happy number.

105731004834 is a `hidden beast` number, since 1 + 0 + 5 + 73 + 100 + 483 + 4 = 666.

105731004834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057310048342 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105731004839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10753227 + ... + 10763054.

It is an arithmetic number, because the mean of its divisors is an integer number (4518419220).

Almost surely, 2105731004834 is an apocalyptic number.

105731004834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105731004834 is an abundant number, since it is smaller than the sum of its proper divisors (183447825246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105731004834 is a wasteful number, since it uses less digits than its factorization.

105731004834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21516312 (or 21516306 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 105731004834 in words is "one hundred five billion, seven hundred thirty-one million, four thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 4914 21516281 43032562 64548843 129097686 150613967 193646529 279711653 301227934 387293058 451841901 559423306 580939587 839134959 903683802 1161879174 1355525703 1678269918 1957981571 2517404877 2711051406 3915963142 4066577109 5034809754 5873944713 7552214631 8133154218 11747889426 15104429262 17621834139 35243668278 52865502417 105731004834