Search a number
-
+
2112544970 = 25372154313
BaseRepresentation
bin111110111101010…
…1110000011001010
312110020010101220022
41331322232003022
513311302414340
6545343100442
7103231223144
oct17572560312
95406111808
102112544970
11994527338
124ab5a1722
13278890c13
141607d3c94
15c56e43b5
hex7deae0ca

2112544970 has 24 divisors (see below), whose sum is σ = 3908156364. Its totient is φ = 822174336.

The previous prime is 2112544961. The next prime is 2112545021. The reversal of 2112544970 is 794452112.

It can be written as a sum of positive squares in 6 ways, for example, as 1358438449 + 754106521 = 36857^2 + 27461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2112544970.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63467 + ... + 90846.

Almost surely, 22112544970 is an apocalyptic number.

2112544970 is a deficient number, since it is larger than the sum of its proper divisors (1795611394).

2112544970 is a wasteful number, since it uses less digits than its factorization.

2112544970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154394 (or 154357 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2112544970 is about 45962.4299836290. The cubic root of 2112544970 is about 1283.1240766736.

The spelling of 2112544970 in words is "two billion, one hundred twelve million, five hundred forty-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 37 74 185 370 1369 2738 6845 13690 154313 308626 771565 1543130 5709581 11419162 28547905 57095810 211254497 422508994 1056272485 2112544970