Search a number
-
+
11428561153 = 31368663263
BaseRepresentation
bin10101010010011001…
…00000000100000001
31002111110212001121201
422221030200010001
5141401202424103
65130013421201
7553132111162
oct125114400401
932443761551
1011428561153
114935141169
12226b49a801
131101959029
147a5b8b769
1546d4e551d
hex2a9320101

11428561153 has 4 divisors (see below), whose sum is σ = 11797224448. Its totient is φ = 11059897860.

The previous prime is 11428561141. The next prime is 11428561201. The reversal of 11428561153 is 35116582411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35116582411 = 311132792981.

It is a cyclic number.

It is not a de Polignac number, because 11428561153 - 229 = 10891690241 is a prime.

It is a super-2 number, since 2×114285611532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11428561553) 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, 184331601 + ... + 184331662.

It is an arithmetic number, because the mean of its divisors is an integer number (2949306112).

Almost surely, 211428561153 is an apocalyptic number.

It is an amenable number.

11428561153 is a deficient number, since it is larger than the sum of its proper divisors (368663295).

11428561153 is an equidigital number, since it uses as much as digits as its factorization.

11428561153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368663294.

The product of its digits is 28800, while the sum is 37.

The spelling of 11428561153 in words is "eleven billion, four hundred twenty-eight million, five hundred sixty-one thousand, one hundred fifty-three".

Divisors: 1 31 368663263 11428561153