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102222020079997 = 1721217012737057
BaseRepresentation
bin10111001111100001101011…
…001100011111000101111101
3111101221022220100010000210121
4113033201223030133011331
5101344301144120024442
61001224051524334541
730350203644164266
oct2717415314370575
9441838810100717
10102222020079997
112a63112a45a184
12b56b38b844451
134506658a5c0cc
141b3580206d96d
15bc4068eb9967
hex5cf86b31f17d

102222020079997 has 8 divisors (see below), whose sum is σ = 102286167536952. Its totient is φ = 102157878144000.

The previous prime is 102222020079941. The next prime is 102222020080021. The reversal of 102222020079997 is 799970020222201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21711257097156 + 80510762982841 = 4659534^2 + 8972779^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102222020079997 - 227 = 102221885862269 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 (102222020079937) 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, 35978893 + ... + 38715949.

It is an arithmetic number, because the mean of its divisors is an integer number (12785770942119).

Almost surely, 2102222020079997 is an apocalyptic number.

It is an amenable number.

102222020079997 is a deficient number, since it is larger than the sum of its proper divisors (64147456955).

102222020079997 is a wasteful number, since it uses less digits than its factorization.

102222020079997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760479.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 102222020079997 in words is "one hundred two trillion, two hundred twenty-two billion, twenty million, seventy-nine thousand, nine hundred ninety-seven".

Divisors: 1 1721 21701 2737057 37347421 4710475097 59396873957 102222020079997