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102125317 = 714819851
BaseRepresentation
bin1100001011001…
…00111100000101
321010011111121011
412011210330011
5202121002232
614044522221
72350023310
oct605447405
9233144534
10102125317
1152713298
122a250371
1318208ca8
14d7c5977
158e74547
hex6164f05

102125317 has 8 divisors (see below), whose sum is σ = 116805312. Its totient is φ = 87468000.

The previous prime is 102125311. The next prime is 102125347. The reversal of 102125317 is 713521201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102125317 - 219 = 101601029 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 (102125311) 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, 5442 + ... + 15292.

It is an arithmetic number, because the mean of its divisors is an integer number (14600664).

Almost surely, 2102125317 is an apocalyptic number.

It is an amenable number.

102125317 is a deficient number, since it is larger than the sum of its proper divisors (14679995).

102125317 is an equidigital number, since it uses as much as digits as its factorization.

102125317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 102125317 is about 10105.7071499228. The cubic root of 102125317 is about 467.4241416565.

Adding to 102125317 its reverse (713521201), we get a palindrome (815646518).

The spelling of 102125317 in words is "one hundred two million, one hundred twenty-five thousand, three hundred seventeen".

Divisors: 1 7 1481 9851 10367 68957 14589331 102125317