Search a number
-
+
1380143233 = 7197163319
BaseRepresentation
bin101001001000011…
…0101000010000001
310120011222112121001
41102100311002001
510311304040413
6344541132001
746126011130
oct12220650201
93504875531
101380143233
11649067047
1232625a001
1318cc18601
14d1423917
15812714dd
hex52435081

1380143233 has 4 divisors (see below), whose sum is σ = 1577306560. Its totient is φ = 1182979908.

The previous prime is 1380143231. The next prime is 1380143243. The reversal of 1380143233 is 3323410831.

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 1380143233 - 21 = 1380143231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380143231) 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, 98581653 + ... + 98581666.

It is an arithmetic number, because the mean of its divisors is an integer number (394326640).

Almost surely, 21380143233 is an apocalyptic number.

It is an amenable number.

1380143233 is a deficient number, since it is larger than the sum of its proper divisors (197163327).

1380143233 is an equidigital number, since it uses as much as digits as its factorization.

1380143233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197163326.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1380143233 is about 37150.2790433666. The cubic root of 1380143233 is about 1113.3747986656.

The spelling of 1380143233 in words is "one billion, three hundred eighty million, one hundred forty-three thousand, two hundred thirty-three".

Divisors: 1 7 197163319 1380143233