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105139539070 = 2594561111187
BaseRepresentation
bin110000111101011001…
…1100000110001111110
3101001101100120222102121
41201322303200301332
53210311210222240
6120144521113154
710411312223266
oct1417263406176
9331340528377
10105139539070
114065358a955
12184630287ba
139bb7546917
1451358867a6
152b0555604a
hex187ace0c7e

105139539070 has 16 divisors (see below), whose sum is σ = 189254873808. Its totient is φ = 42054992640.

The previous prime is 105139539059. The next prime is 105139539079. The reversal of 105139539070 is 70935931501.

It is a super-2 number, since 2×1051395390702 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105139539079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890017 + ... + 1001203.

It is an arithmetic number, because the mean of its divisors is an integer number (11828429613).

Almost surely, 2105139539070 is an apocalyptic number.

105139539070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105139539070 is a deficient number, since it is larger than the sum of its proper divisors (84115334738).

105139539070 is a wasteful number, since it uses less digits than its factorization.

105139539070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205755.

The product of its (nonzero) digits is 127575, while the sum is 43.

The spelling of 105139539070 in words is "one hundred five billion, one hundred thirty-nine million, five hundred thirty-nine thousand, seventy".

Divisors: 1 2 5 10 94561 111187 189122 222374 472805 555935 945610 1111870 10513953907 21027907814 52569769535 105139539070