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101010000091918 = 250505000045959
BaseRepresentation
bin10110111101111000111001…
…001011001001101100001110
3111020122110110120200020222111
4112331320321023021230032
5101214421440010420133
6554455204201534234
730163505652235231
oct2675707113115416
9436573416606874
10101010000091918
112a2041117aa145
12b3b44b87a437a
134449282131a28
141ad2ca5403418
15ba277de111cd
hex5bde392c9b0e

101010000091918 has 4 divisors (see below), whose sum is σ = 151515000137880. Its totient is φ = 50505000045958.

The previous prime is 101010000091859. The next prime is 101010000091919. The reversal of 101010000091918 is 819190000010101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 101010000091918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010000091919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252500022978 + ... + 25252500022981.

It is an arithmetic number, because the mean of its divisors is an integer number (37878750034470).

Almost surely, 2101010000091918 is an apocalyptic number.

101010000091918 is a deficient number, since it is larger than the sum of its proper divisors (50505000045962).

101010000091918 is an equidigital number, since it uses as much as digits as its factorization.

101010000091918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50505000045961.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 101010000091918 in words is "one hundred one trillion, ten billion, ninety-one thousand, nine hundred eighteen".

Divisors: 1 2 50505000045959 101010000091918