Search a number
-
+
1137733989 = 3727739687
BaseRepresentation
bin100001111010000…
…0111000101100101
32221021211212121220
41003310013011211
54312224441424
6304521330553
740123402500
oct10364070545
92837755556
101137733989
11534248427
12279036a59
13151932ca2
14ab162137
1569d3b579
hex43d07165

1137733989 has 12 divisors (see below), whose sum is σ = 1764648864. Its totient is φ = 650133624.

The previous prime is 1137733973. The next prime is 1137733991. The reversal of 1137733989 is 9893377311.

It is not a de Polignac number, because 1137733989 - 24 = 1137733973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137733999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3869697 + ... + 3869990.

It is an arithmetic number, because the mean of its divisors is an integer number (147054072).

Almost surely, 21137733989 is an apocalyptic number.

It is an amenable number.

1137733989 is a deficient number, since it is larger than the sum of its proper divisors (626914875).

1137733989 is an equidigital number, since it uses as much as digits as its factorization.

1137733989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739704 (or 7739697 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 1137733989 is about 33730.3126134342. The cubic root of 1137733989 is about 1043.9513113845.

The spelling of 1137733989 in words is "one billion, one hundred thirty-seven million, seven hundred thirty-three thousand, nine hundred eighty-nine".

Divisors: 1 3 7 21 49 147 7739687 23219061 54177809 162533427 379244663 1137733989