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100111100010101 = 8310114980148703
BaseRepresentation
bin10110110000110011101110…
…100011011101111001110101
3111010110112020200120210211122
4112300303232203131321311
5101110210013100310401
6552530223205313325
730041534245510235
oct2660635643357165
9433415220523748
10100111100010101
1129997974079144
12b28a250a05845
1343b25894c82ab
141aa1590137cc5
15b891bd25121b
hex5b0cee8dde75

100111100010101 has 16 divisors (see below), whose sum is σ = 103007114380800. Its totient is φ = 97268464747200.

The previous prime is 100111100010041. The next prime is 100111100010109. The reversal of 100111100010101 is 101010001111001.

It is a cyclic number.

It is not a de Polignac number, because 100111100010101 - 230 = 100110026268277 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 (100111100010109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38825285 + ... + 41323418.

It is an arithmetic number, because the mean of its divisors is an integer number (6437944648800).

Almost surely, 2100111100010101 is an apocalyptic number.

It is an amenable number.

100111100010101 is a deficient number, since it is larger than the sum of its proper divisors (2896014370699).

100111100010101 is a wasteful number, since it uses less digits than its factorization.

100111100010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80149036.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 100111100010101 its reverse (101010001111001), we get a palindrome (201121101121102).

The spelling of 100111100010101 in words is "one hundred trillion, one hundred eleven billion, one hundred million, ten thousand, one hundred one".

Divisors: 1 83 101 149 8383 12367 15049 1249067 80148703 6652342349 8095019003 11942156747 671886577249 991199010001 1206157831447 100111100010101