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102200102197 = 971053609301
BaseRepresentation
bin101111100101110011…
…0011100110100110101
3100202210111112010002021
41133023212130310311
53133301211232242
6114541114513141
710245420351424
oct1371346346465
9322714463067
10102200102197
113a385325486
12179827357b1
13983957876b
144d373272bb
1529d2476b67
hex17cb99cd35

102200102197 has 4 divisors (see below), whose sum is σ = 103253711596. Its totient is φ = 101146492800.

The previous prime is 102200102177. The next prime is 102200102233. The reversal of 102200102197 is 791201002201.

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 41008680036 + 61191422161 = 202506^2 + 247369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102200102197 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 (102200102177) 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, 526804554 + ... + 526804747.

It is an arithmetic number, because the mean of its divisors is an integer number (25813427899).

Almost surely, 2102200102197 is an apocalyptic number.

It is an amenable number.

102200102197 is a deficient number, since it is larger than the sum of its proper divisors (1053609399).

102200102197 is an equidigital number, since it uses as much as digits as its factorization.

102200102197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053609398.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 102200102197 its reverse (791201002201), we get a palindrome (893401104398).

The spelling of 102200102197 in words is "one hundred two billion, two hundred million, one hundred two thousand, one hundred ninety-seven".

Divisors: 1 97 1053609301 102200102197