Search a number
-
+
100111111020001 = 451994559234281
BaseRepresentation
bin10110110000110011101111…
…001101011101110111100001
3111010110112021110022011120201
4112300303233031131313201
5101110210023410120001
6552530224241305201
730041534441214124
oct2660635715356741
9433415243264521
10100111111020001
112999797a309034
12b28a254635201
1343b258b881723
141aa15917a23bb
15b891be1c8501
hex5b0cef35dde1

100111111020001 has 8 divisors (see below), whose sum is σ = 100134750758400. Its totient is φ = 100087471948320.

The previous prime is 100111111019963. The next prime is 100111111020121. The reversal of 100111111020001 is 100020111111001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100111111020001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100111111020001.

It is not an unprimeable number, because it can be changed into a prime (100111111020301) 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, 427194981 + ... + 427429261.

It is an arithmetic number, because the mean of its divisors is an integer number (12516843844800).

Almost surely, 2100111111020001 is an apocalyptic number.

It is an amenable number.

100111111020001 is a deficient number, since it is larger than the sum of its proper divisors (23639738399).

100111111020001 is an equidigital number, since it uses as much as digits as its factorization.

100111111020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333359.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 100111111020001 its reverse (100020111111001), we get a palindrome (200131222131002).

The spelling of 100111111020001 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, twenty thousand, one".

Divisors: 1 4519 94559 234281 427312121 1058715839 22153377079 100111111020001