Search a number
-
+
2312002120 = 23557800053
BaseRepresentation
bin1000100111001110…
…0101101001001000
312222010102212200011
42021303211221020
514213333031440
61021230121304
7111202456651
oct21163455110
95863385604
102312002120
11a8707945a
12546350234
132aacb80bc
1417d0b4528
15d7e929ea
hex89ce5a48

2312002120 has 16 divisors (see below), whose sum is σ = 5202004860. Its totient is φ = 924800832.

The previous prime is 2312002117. The next prime is 2312002139. The reversal of 2312002120 is 212002132.

It can be written as a sum of positive squares in 2 ways, for example, as 2256440004 + 55562116 = 47502^2 + 7454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2312002120.

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, 28899987 + ... + 28900066.

Almost surely, 22312002120 is an apocalyptic number.

2312002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312002120 is an abundant number, since it is smaller than the sum of its proper divisors (2890002740).

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

2312002120 is a wasteful number, since it uses less digits than its factorization.

2312002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57800064 (or 57800060 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2312002120 is about 48083.2831657739. The cubic root of 2312002120 is about 1322.2982078540.

Adding to 2312002120 its reverse (212002132), we get a palindrome (2524004252).

The spelling of 2312002120 in words is "two billion, three hundred twelve million, two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 57800053 115600106 231200212 289000265 462400424 578000530 1156001060 2312002120