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102202311021 = 366103515369
BaseRepresentation
bin101111100101110111…
…0111000000101101101
3100202210122200100000120
41133023232320011231
53133302242423041
6114541234115153
710245445211226
oct1371356700555
9322718610016
10102202311021
113a3865a3a58
121798341bab9
139839b6cc65
144d3774024d
1529d2761366
hex17cbbb816d

102202311021 has 8 divisors (see below), whose sum is σ = 136272073920. Its totient is φ = 68133711072.

The previous prime is 102202310993. The next prime is 102202311031. The reversal of 102202311021 is 120113202201.

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

It is not a de Polignac number, because 102202311021 - 26 = 102202310957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202311031) 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, 59376 + ... + 455993.

It is an arithmetic number, because the mean of its divisors is an integer number (17034009240).

Almost surely, 2102202311021 is an apocalyptic number.

It is an amenable number.

102202311021 is a deficient number, since it is larger than the sum of its proper divisors (34069762899).

102202311021 is an equidigital number, since it uses as much as digits as its factorization.

102202311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581475.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102202311021 its reverse (120113202201), we get a palindrome (222315513222).

The spelling of 102202311021 in words is "one hundred two billion, two hundred two million, three hundred eleven thousand, twenty-one".

Divisors: 1 3 66103 198309 515369 1546107 34067437007 102202311021