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1001100001100 = 225210011000011
BaseRepresentation
bin11101001000101100011…
…01011011111101001100
310112201000101021021022112
432210112031123331030
5112400223100013400
62043522103203152
7132220122415223
oct16442615337514
93481011237275
101001100001100
11356622941011
1214202a4464b8
1373532149b74
143664c585cba
151b0930ec835
hexe91635bf4c

1001100001100 has 18 divisors (see below), whose sum is σ = 2172387002604. Its totient is φ = 400440000400.

The previous prime is 1001100001093. The next prime is 1001100001147. The reversal of 1001100001100 is 11000011001.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5005499906 + ... + 5005500105.

Almost surely, 21001100001100 is an apocalyptic number.

1001100001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001100001100 is an abundant number, since it is smaller than the sum of its proper divisors (1171287001504).

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

1001100001100 is a wasteful number, since it uses less digits than its factorization.

1001100001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011000025 (or 10011000018 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1001100001100 its reverse (11000011001), we get a palindrome (1012100012101).

Subtracting from 1001100001100 its reverse (11000011001), we obtain a palindrome (990099990099).

The spelling of 1001100001100 in words is "one trillion, one billion, one hundred million, one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10011000011 20022000022 40044000044 50055000055 100110000110 200220000220 250275000275 500550000550 1001100001100