Search a number
-
+
18483816828 = 22311811304249
BaseRepresentation
bin10001001101101110…
…001010100101111100
31202201011120011221110
4101031232022211330
5300323324114303
612254044202020
71223021564541
oct211556124574
952634504843
1018483816828
1179256a6184
1236ba239310
13198753a629
14c74bacbc8
15732ac6703
hex44db8a97c

18483816828 has 24 divisors (see below), whose sum is σ = 43165458000. Its totient is φ = 6156050560.

The previous prime is 18483816817. The next prime is 18483816847. The reversal of 18483816828 is 82861838481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637953 + ... + 666296.

It is an arithmetic number, because the mean of its divisors is an integer number (1798560750).

Almost surely, 218483816828 is an apocalyptic number.

It is an amenable number.

18483816828 is an abundant number, since it is smaller than the sum of its proper divisors (24681641172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18483816828 is a wasteful number, since it uses less digits than its factorization.

18483816828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305437 (or 1305435 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 57.

The spelling of 18483816828 in words is "eighteen billion, four hundred eighty-three million, eight hundred sixteen thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1181 2362 3543 4724 7086 14172 1304249 2608498 3912747 5216996 7825494 15650988 1540318069 3080636138 4620954207 6161272276 9241908414 18483816828