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42974658897 = 314324886299
BaseRepresentation
bin101000000001011111…
…010100000101010001
311002220222101212101020
4220001133110011101
51201003003041042
631424200030053
73050644400502
oct500137240521
9132828355336
1042974658897
1117253090325
1283b4162329
13408b433561
142119698ba9
1511b7c223ec
hexa017d4151

42974658897 has 4 divisors (see below), whose sum is σ = 57299545200. Its totient is φ = 28649772596.

The previous prime is 42974658877. The next prime is 42974658899. The reversal of 42974658897 is 79885647924.

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 42974658897 - 215 = 42974626129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42974658899) 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, 7162443147 + ... + 7162443152.

It is an arithmetic number, because the mean of its divisors is an integer number (14324886300).

Almost surely, 242974658897 is an apocalyptic number.

It is an amenable number.

42974658897 is a deficient number, since it is larger than the sum of its proper divisors (14324886303).

42974658897 is a wasteful number, since it uses less digits than its factorization.

42974658897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324886302.

The product of its digits is 243855360, while the sum is 69.

The spelling of 42974658897 in words is "forty-two billion, nine hundred seventy-four million, six hundred fifty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 14324886299 42974658897