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102115113 = 346373517
BaseRepresentation
bin1100001011000…
…10011100101001
321010010222121020
412011202130221
5202120140423
614044403053
72346651462
oct605423451
9233128536
10102115113
1152706661
122a246489
1318204459
14d7c1d69
158e714e3
hex6162729

102115113 has 8 divisors (see below), whose sum is σ = 136449408. Its totient is φ = 67928784.

The previous prime is 102115103. The next prime is 102115121. The reversal of 102115113 is 311511201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102115113 - 25 = 102115081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102115092 and 102115101.

It is not an unprimeable number, because it can be changed into a prime (102115103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35370 + ... + 38147.

It is an arithmetic number, because the mean of its divisors is an integer number (17056176).

Almost surely, 2102115113 is an apocalyptic number.

It is an amenable number.

102115113 is a deficient number, since it is larger than the sum of its proper divisors (34334295).

102115113 is an equidigital number, since it uses as much as digits as its factorization.

102115113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73983.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 102115113 is about 10105.2022740765. The cubic root of 102115113 is about 467.4085733497.

Adding to 102115113 its reverse (311511201), we get a palindrome (413626314).

The spelling of 102115113 in words is "one hundred two million, one hundred fifteen thousand, one hundred thirteen".

Divisors: 1 3 463 1389 73517 220551 34038371 102115113