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102313141 = 714616163
BaseRepresentation
bin1100001100100…
…10110010110101
321010112001020121
412012102302311
5202143010031
614052531541
72351435020
oct606226265
9233461217
10102313141
1152831417
122a320bb1
1318273628
14d8341b7
158eb0011
hex6192cb5

102313141 has 4 divisors (see below), whose sum is σ = 116929312. Its totient is φ = 87696972.

The previous prime is 102313121. The next prime is 102313147. The reversal of 102313141 is 141313201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102313141 - 25 = 102313109 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 (102313147) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7308075 + ... + 7308088.

It is an arithmetic number, because the mean of its divisors is an integer number (29232328).

Almost surely, 2102313141 is an apocalyptic number.

It is an amenable number.

102313141 is a deficient number, since it is larger than the sum of its proper divisors (14616171).

102313141 is an equidigital number, since it uses as much as digits as its factorization.

102313141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616170.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102313141 is about 10114.9958477500. The cubic root of 102313141 is about 467.7105208739.

Adding to 102313141 its reverse (141313201), we get a palindrome (243626342).

The spelling of 102313141 in words is "one hundred two million, three hundred thirteen thousand, one hundred forty-one".

Divisors: 1 7 14616163 102313141