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2136407974 = 21361784867
BaseRepresentation
bin111111101010110…
…1111111110100110
312111220000202210021
41333111233332212
513333410023344
6551554345354
7103641111451
oct17725577646
95456022707
102136407974
119a6a45a28
124b758b25a
132807c773c
14163a46498
15c7859b84
hex7f56ffa6

2136407974 has 8 divisors (see below), whose sum is σ = 3206970648. Its totient is φ = 1067417760.

The previous prime is 2136407939. The next prime is 2136408017. The reversal of 2136407974 is 4797046312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2136407974.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389712 + ... + 395155.

It is an arithmetic number, because the mean of its divisors is an integer number (400871331).

Almost surely, 22136407974 is an apocalyptic number.

2136407974 is a deficient number, since it is larger than the sum of its proper divisors (1070562674).

2136407974 is a wasteful number, since it uses less digits than its factorization.

2136407974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786230.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2136407974 is about 46221.2935128389. The cubic root of 2136407974 is about 1287.9373269628.

The spelling of 2136407974 in words is "two billion, one hundred thirty-six million, four hundred seven thousand, nine hundred seventy-four".

Divisors: 1 2 1361 2722 784867 1569734 1068203987 2136407974