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105070391712 = 253211137135933
BaseRepresentation
bin110000111011010101…
…1101111000110100000
3101001012112110221002100
41201312223233012200
53210141010013322
6120134011050400
710406512410426
oct1416653570640
9331175427070
10105070391712
1140618551480
1218443a40a00
139ba6116220
14512a607116
152aee447dac
hex1876aef1a0

105070391712 has 288 divisors, whose sum is σ = 355984626816. Its totient is φ = 28975564800.

The previous prime is 105070391707. The next prime is 105070391719. The reversal of 105070391712 is 217193070501.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1050703917122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (105070391719) 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 47 ways as a sum of consecutive naturals, for example, 2906098 + ... + 2942030.

It is an arithmetic number, because the mean of its divisors is an integer number (1236057732).

Almost surely, 2105070391712 is an apocalyptic number.

105070391712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105070391712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177992313408).

105070391712 is an abundant number, since it is smaller than the sum of its proper divisors (250914235104).

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

105070391712 is a wasteful number, since it uses less digits than its factorization.

105070391712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36044 (or 36033 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The spelling of 105070391712 in words is "one hundred five billion, seventy million, three hundred ninety-one thousand, seven hundred twelve".