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102100312 = 2323554893
BaseRepresentation
bin1100001010111…
…10110101011000
321010010020022001
412011132311120
5202114202222
614044210344
72346560356
oct605366530
9233106261
10102100312
11526a6526
122a2399b4
13181ca7b2
14d7ba7d6
158e6be27
hex615ed58

102100312 has 16 divisors (see below), whose sum is σ = 199761840. Its totient is φ = 48830496.

The previous prime is 102100307. The next prime is 102100331. The reversal of 102100312 is 213001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277263 + ... + 277630.

It is an arithmetic number, because the mean of its divisors is an integer number (12485115).

Almost surely, 2102100312 is an apocalyptic number.

It is an amenable number.

102100312 is a deficient number, since it is larger than the sum of its proper divisors (97661528).

102100312 is a wasteful number, since it uses less digits than its factorization.

102100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554922 (or 554918 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102100312 is about 10104.4699019790. The cubic root of 102100312 is about 467.3859895279.

Adding to 102100312 its reverse (213001201), we get a palindrome (315101513).

The spelling of 102100312 in words is "one hundred two million, one hundred thousand, three hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 554893 1109786 2219572 4439144 12762539 25525078 51050156 102100312