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102130311 = 353679587
BaseRepresentation
bin1100001011001…
…10001010000111
321010011202110010
412011212022013
5202121132221
614045001303
72350044003
oct605461207
9233152403
10102130311
1152717018
122a253233
131820b34a
14d7c7703
158e75c76
hex6166287

102130311 has 16 divisors (see below), whose sum is σ = 140828544. Its totient is φ = 65798304.

The previous prime is 102130309. The next prime is 102130333. The reversal of 102130311 is 113031201.

It is not a de Polignac number, because 102130311 - 21 = 102130309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5860 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (8801784).

Almost surely, 2102130311 is an apocalyptic number.

102130311 is a deficient number, since it is larger than the sum of its proper divisors (38698233).

102130311 is an equidigital number, since it uses as much as digits as its factorization.

102130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9710.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 102130311 is about 10105.9542350042. The cubic root of 102130311 is about 467.4317606557.

Adding to 102130311 its reverse (113031201), we get a palindrome (215161512).

The spelling of 102130311 in words is "one hundred two million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 3 53 67 159 201 3551 9587 10653 28761 508111 642329 1524333 1926987 34043437 102130311