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2121314310 = 2325212911071
BaseRepresentation
bin111111001110000…
…1011000000000110
312110211121221011200
41332130023000012
513321024024220
6550255043330
7103365605553
oct17634130006
95424557150
102121314310
11999476925
124b2510546
1327a64158b
14161a37a2a
15c6377890
hex7e70b006

2121314310 has 48 divisors (see below), whose sum is σ = 5518506240. Its totient is φ = 565367040.

The previous prime is 2121314297. The next prime is 2121314339. The reversal of 2121314310 is 134131212.

2121314310 is a `hidden beast` number, since 21 + 21 + 314 + 310 = 666.

It is a super-2 number, since 2×21213143102 = 8999948803621552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186075 + ... + 197145.

It is an arithmetic number, because the mean of its divisors is an integer number (114968880).

Almost surely, 22121314310 is an apocalyptic number.

2121314310 is an abundant number, since it is smaller than the sum of its proper divisors (3397191930).

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

2121314310 is a wasteful number, since it uses less digits than its factorization.

2121314310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2121314310 is about 46057.7280160453. The cubic root of 2121314310 is about 1284.8970752347.

Adding to 2121314310 its reverse (134131212), we get a palindrome (2255445522).

The spelling of 2121314310 in words is "two billion, one hundred twenty-one million, three hundred fourteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2129 4258 6387 10645 11071 12774 19161 21290 22142 31935 33213 38322 55355 63870 66426 95805 99639 110710 166065 191610 199278 332130 498195 996390 23570159 47140318 70710477 117850795 141420954 212131431 235701590 353552385 424262862 707104770 1060657155 2121314310