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102200021201 = 176011765953
BaseRepresentation
bin101111100101110011…
…0001001000011010001
3100202210111100222222102
41133023212021003101
53133301201134301
6114541113050145
710245416563325
oct1371346110321
9322714328872
10102200021201
113a38527a643
12179826b6955
13983954a935
144d37305985
1529d245cb6b
hex17cb9890d1

102200021201 has 4 divisors (see below), whose sum is σ = 108211787172. Its totient is φ = 96188255232.

The previous prime is 102200021179. The next prime is 102200021219. The reversal of 102200021201 is 102120002201.

It is a happy number.

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 64671033025 + 37528988176 = 254305^2 + 193724^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200021201 - 26 = 102200021137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102200021251) 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, 3005882960 + ... + 3005882993.

It is an arithmetic number, because the mean of its divisors is an integer number (27052946793).

Almost surely, 2102200021201 is an apocalyptic number.

It is an amenable number.

102200021201 is a deficient number, since it is larger than the sum of its proper divisors (6011765971).

102200021201 is an equidigital number, since it uses as much as digits as its factorization.

102200021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011765970.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102200021201 its reverse (102120002201), we get a palindrome (204320023402).

The spelling of 102200021201 in words is "one hundred two billion, two hundred million, twenty-one thousand, two hundred one".

Divisors: 1 17 6011765953 102200021201