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202102103321 = 1061190482661
BaseRepresentation
bin1011110000111000111…
…0010101110100011001
3201022122211202121010222
42330032032111310121
511302401114301241
6232502221245425
720413164351056
oct2741616256431
9638584677128
10202102103321
1178790406578
1233203703875
131609a9954b1
149ad335802d
1553ccca4a4b
hex2f0e395d19

202102103321 has 4 divisors (see below), whose sum is σ = 202292587044. Its totient is φ = 201911619600.

The previous prime is 202102103317. The next prime is 202102103339. The reversal of 202102103321 is 123301201202.

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 100603152400 + 101498950921 = 317180^2 + 318589^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102103321 - 22 = 202102103317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202102103321.

It is not an unprimeable number, because it can be changed into a prime (202102103521) 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, 95240270 + ... + 95242391.

It is an arithmetic number, because the mean of its divisors is an integer number (50573146761).

Almost surely, 2202102103321 is an apocalyptic number.

It is an amenable number.

202102103321 is a deficient number, since it is larger than the sum of its proper divisors (190483723).

202102103321 is a wasteful number, since it uses less digits than its factorization.

202102103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190483722.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202102103321 its reverse (123301201202), we get a palindrome (325403304523).

The spelling of 202102103321 in words is "two hundred two billion, one hundred two million, one hundred three thousand, three hundred twenty-one".

Divisors: 1 1061 190482661 202102103321