Search a number
-
+
1401868115 = 5280373623
BaseRepresentation
bin101001110001110…
…1100111101010011
310121200212021112022
41103203230331103
510332334234430
6351034522055
746511453024
oct12343547523
93550767468
101401868115
1165a35529a
1233159632b
13194583b7b
14d427ac4b
15831134e5
hex538ecf53

1401868115 has 4 divisors (see below), whose sum is σ = 1682241744. Its totient is φ = 1121494488.

The previous prime is 1401868087. The next prime is 1401868133. The reversal of 1401868115 is 5118681041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401868115 - 212 = 1401864019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140186807 + ... + 140186816.

It is an arithmetic number, because the mean of its divisors is an integer number (420560436).

Almost surely, 21401868115 is an apocalyptic number.

1401868115 is a deficient number, since it is larger than the sum of its proper divisors (280373629).

1401868115 is an equidigital number, since it uses as much as digits as its factorization.

1401868115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280373628.

The product of its (nonzero) digits is 7680, while the sum is 35.

The square root of 1401868115 is about 37441.5292823357. The cubic root of 1401868115 is about 1119.1863017822.

The spelling of 1401868115 in words is "one billion, four hundred one million, eight hundred sixty-eight thousand, one hundred fifteen".

Divisors: 1 5 280373623 1401868115