Search a number
-
+
616672233889 = 2228232767543
BaseRepresentation
bin10001111100101001000…
…01111000100110100001
32011221201221121021211021
420332110201320212201
540100421042441024
61151143442045441
762360466333625
oct10762441704641
92157657537737
10616672233889
11218590443698
129b622349881
13461c8a8086a
1421bc0603185
151109389dde4
hex8f948789a1

616672233889 has 4 divisors (see below), whose sum is σ = 616675224256. Its totient is φ = 616669243524.

The previous prime is 616672233883. The next prime is 616672233937. The reversal of 616672233889 is 988332276616.

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 616672233889 - 239 = 66916420001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616672233883) 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, 1160949 + ... + 1606594.

It is an arithmetic number, because the mean of its divisors is an integer number (154168806064).

Almost surely, 2616672233889 is an apocalyptic number.

It is an amenable number.

616672233889 is a deficient number, since it is larger than the sum of its proper divisors (2990367).

616672233889 is a wasteful number, since it uses less digits than its factorization.

616672233889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990366.

The product of its digits is 31352832, while the sum is 61.

The spelling of 616672233889 in words is "six hundred sixteen billion, six hundred seventy-two million, two hundred thirty-three thousand, eight hundred eighty-nine".

Divisors: 1 222823 2767543 616672233889