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2112475501 = 3168144371
BaseRepresentation
bin111110111101001…
…1101000101101101
312110012222212121101
41331322131011231
513311243204001
6545341403101
7103230513463
oct17572350555
95405885541
102112475501
1199448a124
124ab569491
13278868406
141607b6833
15c56cda01
hex7de9d16d

2112475501 has 4 divisors (see below), whose sum is σ = 2180619904. Its totient is φ = 2044331100.

The previous prime is 2112475483. The next prime is 2112475571. The reversal of 2112475501 is 1055742112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112475501 - 213 = 2112467309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112475501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112475571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34072155 + ... + 34072216.

It is an arithmetic number, because the mean of its divisors is an integer number (545154976).

Almost surely, 22112475501 is an apocalyptic number.

It is an amenable number.

2112475501 is a deficient number, since it is larger than the sum of its proper divisors (68144403).

2112475501 is an equidigital number, since it uses as much as digits as its factorization.

2112475501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68144402.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2112475501 is about 45961.6742623678. The cubic root of 2112475501 is about 1283.1100117543.

The spelling of 2112475501 in words is "two billion, one hundred twelve million, four hundred seventy-five thousand, five hundred one".

Divisors: 1 31 68144371 2112475501