Search a number
-
+
49537459409 = 232153802583
BaseRepresentation
bin101110001000101010…
…011010010011010001
311201212100110200012212
4232020222122103101
51302423042200114
634431315401505
73402404312624
oct561052322321
9151770420185
1049537459409
111a0106714a9
129725bb3295
134895ca1c79
14257d129dbb
15144de7ab3e
hexb88a9a4d1

49537459409 has 4 divisors (see below), whose sum is σ = 51691262016. Its totient is φ = 47383656804.

The previous prime is 49537459399. The next prime is 49537459429. The reversal of 49537459409 is 90495473594.

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 a de Polignac number, because none of the positive numbers 2k-49537459409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49537459429) 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, 1076901269 + ... + 1076901314.

It is an arithmetic number, because the mean of its divisors is an integer number (12922815504).

Almost surely, 249537459409 is an apocalyptic number.

It is an amenable number.

49537459409 is a deficient number, since it is larger than the sum of its proper divisors (2153802607).

49537459409 is a wasteful number, since it uses less digits than its factorization.

49537459409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153802606.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 49537459409 in words is "forty-nine billion, five hundred thirty-seven million, four hundred fifty-nine thousand, four hundred nine".

Divisors: 1 23 2153802583 49537459409