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108015128 = 23134212467
BaseRepresentation
bin1100111000000…
…10111000011000
321112020201220022
412130002320120
5210122441003
614415050012
72451053624
oct634027030
9245221808
10108015128
1155a76401
1230210908
13194bbaa0
14104ba184
159739738
hex6702e18

108015128 has 32 divisors (see below), whose sum is σ = 218714160. Its totient is φ = 49714560.

The previous prime is 108015119. The next prime is 108015137. The reversal of 108015128 is 821510801.

It is an interprime number because it is at equal distance from previous prime (108015119) and next prime (108015137).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 108015097 and 108015106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42551 + ... + 45017.

Almost surely, 2108015128 is an apocalyptic number.

It is an amenable number.

108015128 is an abundant number, since it is smaller than the sum of its proper divisors (110699032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108015128 is a wasteful number, since it uses less digits than its factorization.

108015128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 108015128 is about 10393.0326661663. The cubic root of 108015128 is about 476.2425499256.

Adding to 108015128 its reverse (821510801), we get a palindrome (929525929).

The spelling of 108015128 in words is "one hundred eight million, fifteen thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 421 842 1684 2467 3368 4934 5473 9868 10946 19736 21892 32071 43784 64142 128284 256568 1038607 2077214 4154428 8308856 13501891 27003782 54007564 108015128