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312200102 = 21223127637
BaseRepresentation
bin10010100110111…
…100101110100110
3210202110102000202
4102212330232212
51114410400402
650551310502
710510441244
oct2246745646
9722412022
10312200102
11150257615
128867b432
134c8acbb6
142d66b794
151c61db02
hex129bcba6

312200102 has 8 divisors (see below), whose sum is σ = 468686736. Its totient is φ = 155971192.

The previous prime is 312200099. The next prime is 312200159. The reversal of 312200102 is 201002213.

It is a happy number.

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

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, 61373 + ... + 66264.

It is an arithmetic number, because the mean of its divisors is an integer number (58585842).

Almost surely, 2312200102 is an apocalyptic number.

312200102 is a deficient number, since it is larger than the sum of its proper divisors (156486634).

312200102 is a wasteful number, since it uses less digits than its factorization.

312200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128862.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 312200102 is about 17669.1850972251. The cubic root of 312200102 is about 678.3872550927.

Adding to 312200102 its reverse (201002213), we get a palindrome (513202315).

The spelling of 312200102 in words is "three hundred twelve million, two hundred thousand, one hundred two".

Divisors: 1 2 1223 2446 127637 255274 156100051 312200102