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102203100113 = 372762245949
BaseRepresentation
bin101111100101111000…
…1111000101111010001
3100202210201011102110012
41133023301320233101
53133302443200423
6114541303044305
710245455005622
oct1371361705721
9322721142405
10102203100113
113a386a928a4
1217983740695
13983a08818a
144d378a7a49
1529d286a078
hex17cbc78bd1

102203100113 has 4 divisors (see below), whose sum is σ = 104965346100. Its totient is φ = 99440854128.

The previous prime is 102203100049. The next prime is 102203100121. The reversal of 102203100113 is 311001302201.

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 71261234704 + 30941865409 = 266948^2 + 175903^2 .

It is a cyclic number.

It is not a de Polignac number, because 102203100113 - 26 = 102203100049 is a prime.

It is a super-2 number, since 2×1022031001132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102203100133) 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, 1381122938 + ... + 1381123011.

It is an arithmetic number, because the mean of its divisors is an integer number (26241336525).

Almost surely, 2102203100113 is an apocalyptic number.

It is an amenable number.

102203100113 is a deficient number, since it is larger than the sum of its proper divisors (2762245987).

102203100113 is an equidigital number, since it uses as much as digits as its factorization.

102203100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762245986.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102203100113 its reverse (311001302201), we get a palindrome (413204402314).

The spelling of 102203100113 in words is "one hundred two billion, two hundred three million, one hundred thousand, one hundred thirteen".

Divisors: 1 37 2762245949 102203100113