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102112065 = 32511238969
BaseRepresentation
bin1100001011000…
…01101101000001
321010010211102100
412011201231001
5202120041230
614044341013
72346636546
oct605415501
9233124370
10102112065
1152704340
122a244769
1318202c53
14d7c0bcd
158e70660
hex6161b41

102112065 has 48 divisors (see below), whose sum is σ = 201502080. Its totient is φ = 47351040.

The previous prime is 102112063. The next prime is 102112121. The reversal of 102112065 is 560211201.

It is not a de Polignac number, because 102112065 - 21 = 102112063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102112063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6901 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (4197960).

Almost surely, 2102112065 is an apocalyptic number.

102112065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102112065 is a deficient number, since it is larger than the sum of its proper divisors (99390015).

102112065 is a wasteful number, since it uses less digits than its factorization.

102112065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 102112065 is about 10105.0514595424. The cubic root of 102112065 is about 467.4039227958.

Adding to 102112065 its reverse (560211201), we get a palindrome (662323266).

The spelling of 102112065 in words is "one hundred two million, one hundred twelve thousand, sixty-five".

Divisors: 1 3 5 9 11 15 23 33 45 55 69 99 115 165 207 253 345 495 759 1035 1265 2277 3795 8969 11385 26907 44845 80721 98659 134535 206287 295977 403605 493295 618861 887931 1031435 1479885 1856583 2269157 3094305 4439655 6807471 9282915 11345785 20422413 34037355 102112065