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102212020112223 = 3722772510180017
BaseRepresentation
bin10111001111011000010111…
…001001101000101101011111
3111101220101002102102000212210
4113033120113021220231133
5101344120204122042343
61001215315342331503
730346401066645300
oct2717302711505537
9441811072360783
10102212020112223
112a6279687673aa
12b56945a889b93
134505724083508
141b35133d187a7
15bc3b81116333
hex5cf617268b5f

102212020112223 has 24 divisors (see below), whose sum is σ = 159105250260912. Its totient is φ = 58196013490944.

The previous prime is 102212020112207. The next prime is 102212020112249. The reversal of 102212020112223 is 322211020212201.

It is not a de Polignac number, because 102212020112223 - 24 = 102212020112207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102212020112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212020112123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255049290 + ... + 1255130727.

It is an arithmetic number, because the mean of its divisors is an integer number (6629385427538).

Almost surely, 2102212020112223 is an apocalyptic number.

102212020112223 is a deficient number, since it is larger than the sum of its proper divisors (56893230148689).

102212020112223 is a wasteful number, since it uses less digits than its factorization.

102212020112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510180311 (or 2510180304 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102212020112223 its reverse (322211020212201), we get a palindrome (424423040324424).

The spelling of 102212020112223 in words is "one hundred two trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 3 7 21 49 147 277 831 1939 5817 13573 40719 2510180017 7530540051 17571260119 52713780357 122998820833 368996462499 695319864709 2085959594127 4867239052963 14601717158889 34070673370741 102212020112223