Search a number
-
+
1361688147 = 32193783931
BaseRepresentation
bin101000100101001…
…1011011001010011
310111220020220222100
41101022123121103
510242043010042
6343041411443
745513105201
oct12112333123
93456226870
101361688147
11639701506
12320039b83
13189156441
14ccbbc071
157e82824c
hex5129b653

1361688147 has 12 divisors (see below), whose sum is σ = 1977076504. Its totient is φ = 903087360.

The previous prime is 1361688109. The next prime is 1361688169. The reversal of 1361688147 is 7418861631.

1361688147 is a `hidden beast` number, since 13 + 616 + 8 + 8 + 14 + 7 = 666.

It is not a de Polignac number, because 1361688147 - 210 = 1361687123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361688047) 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, 390229 + ... + 393702.

Almost surely, 21361688147 is an apocalyptic number.

1361688147 is a deficient number, since it is larger than the sum of its proper divisors (615388357).

1361688147 is a wasteful number, since it uses less digits than its factorization.

1361688147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784130 (or 784127 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1361688147 is about 36901.0588872460. The cubic root of 1361688147 is about 1108.3898812889.

The spelling of 1361688147 in words is "one billion, three hundred sixty-one million, six hundred eighty-eight thousand, one hundred forty-seven".

Divisors: 1 3 9 193 579 1737 783931 2351793 7055379 151298683 453896049 1361688147