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102000101011111 = 819253124503787
BaseRepresentation
bin10111001100010010111111…
…110010011010111010100111
3111101011010002102020021110001
4113030102333302122322213
5101332132201324323421
61000534111032442131
730325156406213332
oct2714227762327247
9441133072207401
10102000101011111
112a555aaa97a116
12b534377549347
1344bb7505b60b4
141b28b8cc77619
15bbd3cb5a1691
hex5cc4bfc9aea7

102000101011111 has 4 divisors (see below), whose sum is σ = 102000226334152. Its totient is φ = 101999975688072.

The previous prime is 102000101011103. The next prime is 102000101011141. The reversal of 102000101011111 is 111110101000201.

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

It is a cyclic number.

It is not a de Polignac number, because 102000101011111 - 23 = 102000101011103 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 (102000101011141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61432641 + ... + 63071146.

It is an arithmetic number, because the mean of its divisors is an integer number (25500056583538).

Almost surely, 2102000101011111 is an apocalyptic number.

102000101011111 is a deficient number, since it is larger than the sum of its proper divisors (125323041).

102000101011111 is an equidigital number, since it uses as much as digits as its factorization.

102000101011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125323040.

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

Adding to 102000101011111 its reverse (111110101000201), we get a palindrome (213110202011312).

The spelling of 102000101011111 in words is "one hundred two trillion, one hundred one million, eleven thousand, one hundred eleven".

Divisors: 1 819253 124503787 102000101011111