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312100102 = 2684122811
BaseRepresentation
bin10010100110100…
…100010100000110
3210202021022212001
4102212210110012
51114344200402
650545215514
710506543556
oct2246442406
9722238761
10312100102
11150199476
128863159a
134c876522
142d643166
151c5ee187
hex129a4506

312100102 has 8 divisors (see below), whose sum is σ = 468239112. Its totient is φ = 156020400.

The previous prime is 312100097. The next prime is 312100109. The reversal of 312100102 is 201001213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312100109) 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 3 ways as a sum of consecutive naturals, for example, 2277 + ... + 25087.

It is an arithmetic number, because the mean of its divisors is an integer number (58529889).

Almost surely, 2312100102 is an apocalyptic number.

312100102 is a deficient number, since it is larger than the sum of its proper divisors (156139010).

312100102 is a wasteful number, since it uses less digits than its factorization.

312100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29654.

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

The square root of 312100102 is about 17666.3550853027. The cubic root of 312100102 is about 678.3148165408.

Adding to 312100102 its reverse (201001213), we get a palindrome (513101315).

The spelling of 312100102 in words is "three hundred twelve million, one hundred thousand, one hundred two".

Divisors: 1 2 6841 13682 22811 45622 156050051 312100102