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102202211210202 = 2328537665093197
BaseRepresentation
bin10111001111001111001110…
…011111101001001111011010
3111101212102202211020011220100
4113033033032133221033122
5101343440112032211302
61001211014143440230
730345603032443305
oct2717171637511732
9441772684204810
10102202211210202
112a623794905104
12b5675818b6076
13450481cb5448c
141b348832dbb3c
15bc37a9e04d1c
hex5cf3ce7e93da

102202211210202 has 24 divisors (see below), whose sum is σ = 221464063256436. Its totient is φ = 34063413126336.

The previous prime is 102202211210159. The next prime is 102202211210219. The reversal of 102202211210202 is 202012112202201.

It is a happy number.

102202211210202 is a `hidden beast` number, since 1 + 0 + 220 + 2 + 211 + 210 + 20 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86656531484601 + 15545679725601 = 9308949^2 + 3942801^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332392933 + ... + 332700264.

Almost surely, 2102202211210202 is an apocalyptic number.

102202211210202 is an abundant number, since it is smaller than the sum of its proper divisors (119261852046234).

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

102202211210202 is a wasteful number, since it uses less digits than its factorization.

102202211210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665101742 (or 665101739 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102202211210202 its reverse (202012112202201), we get a palindrome (304214323412403).

The spelling of 102202211210202 in words is "one hundred two trillion, two hundred two billion, two hundred eleven million, two hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 9 18 8537 17074 25611 51222 76833 153666 665093197 1330186394 1995279591 3990559182 5985838773 11971677546 5677900622789 11355801245578 17033701868367 34067403736734 51101105605101 102202211210202