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102010202011213 = 941108406165793
BaseRepresentation
bin10111001100011100011001…
…110110101011011001001101
3111101012002011101001020122221
4113030130121312223121031
5101332313343203324323
61000542501224135341
730325664621254246
oct2714343166533115
9441162141036587
10102010202011213
112a55a3136a8a91
12b536316307551
1344bc6a01a7332
141b2946a5abccd
15bbd7bd26055d
hex5cc719dab64d

102010202011213 has 4 divisors (see below), whose sum is σ = 102118608177948. Its totient is φ = 101901795844480.

The previous prime is 102010202011189. The next prime is 102010202011279. The reversal of 102010202011213 is 312110202010201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70131948768324 + 31878253242889 = 8374482^2 + 5646083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102010202011213 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 (102010202011813) 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, 54203081956 + ... + 54203083837.

It is an arithmetic number, because the mean of its divisors is an integer number (25529652044487).

Almost surely, 2102010202011213 is an apocalyptic number.

It is an amenable number.

102010202011213 is a deficient number, since it is larger than the sum of its proper divisors (108406166735).

102010202011213 is an equidigital number, since it uses as much as digits as its factorization.

102010202011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108406166734.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102010202011213 its reverse (312110202010201), we get a palindrome (414120404021414).

The spelling of 102010202011213 in words is "one hundred two trillion, ten billion, two hundred two million, eleven thousand, two hundred thirteen".

Divisors: 1 941 108406165793 102010202011213