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100001111008 = 2541604312613
BaseRepresentation
bin101110100100010000…
…1111101101111100000
3100120010020201210021011
41131020201331233200
53114300241023013
6113535002510304
710140056263411
oct1351041755740
9316106653234
10100001111008
1139457024897
121746a205394
139578b0b346
144ba926d808
1529043a8c3d
hex174887dbe0

100001111008 has 48 divisors (see below), whose sum is σ = 201728436336. Its totient is φ = 48769090560.

The previous prime is 100001110969. The next prime is 100001111027. The reversal of 100001111008 is 800111100001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7922110 + ... + 7934722.

It is an arithmetic number, because the mean of its divisors is an integer number (4202675757).

Almost surely, 2100001111008 is an apocalyptic number.

It is an amenable number.

100001111008 is an abundant number, since it is smaller than the sum of its proper divisors (101727325328).

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

100001111008 is a wasteful number, since it uses less digits than its factorization.

100001111008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18707 (or 18699 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100001111008 its reverse (800111100001), we get a palindrome (900112211009).

The spelling of 100001111008 in words is "one hundred billion, one million, one hundred eleven thousand, eight".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 6043 12086 12613 24172 25226 48344 50452 96688 100904 193376 201808 247763 403616 495526 517133 991052 1034266 1982104 2068532 3964208 4137064 7928416 8274128 16548256 76220359 152440718 304881436 609762872 1219525744 2439051488 3125034719 6250069438 12500138876 25000277752 50000555504 100001111008