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102311102 = 251155551
BaseRepresentation
bin1100001100100…
…10010010111110
321010111221110002
412012102102332
5202142423402
614052514302
72351426045
oct606222276
9233457402
10102311102
115282a933
122a31b992
131827271a
14d83355c
158eae602
hex61924be

102311102 has 4 divisors (see below), whose sum is σ = 153466656. Its totient is φ = 51155550.

The previous prime is 102311093. The next prime is 102311119. The reversal of 102311102 is 201113201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201113201 = 1439139759.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25577774 + ... + 25577777.

It is an arithmetic number, because the mean of its divisors is an integer number (38366664).

Almost surely, 2102311102 is an apocalyptic number.

102311102 is a deficient number, since it is larger than the sum of its proper divisors (51155554).

102311102 is an equidigital number, since it uses as much as digits as its factorization.

102311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51155553.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102311102 is about 10114.8950563019. The cubic root of 102311102 is about 467.7074138501.

Adding to 102311102 its reverse (201113201), we get a palindrome (303424303).

The spelling of 102311102 in words is "one hundred two million, three hundred eleven thousand, one hundred two".

Divisors: 1 2 51155551 102311102