Search a number
-
+
11154423001 = 15173870351
BaseRepresentation
bin10100110001101101…
…01111110011011001
31001210101000101202211
422120312233303121
5140321013014001
65042501555121
7543263013451
oct123066576331
931711011684
1011154423001
114804421107
1221b3715aa1
131089c147c7
1477b5cad61
154543e4351
hex298dafcd9

11154423001 has 4 divisors (see below), whose sum is σ = 11228293504. Its totient is φ = 11080552500.

The previous prime is 11154422989. The next prime is 11154423011. The reversal of 11154423001 is 10032445111.

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 11154423001 - 213 = 11154414809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11154423011) 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, 36935025 + ... + 36935326.

It is an arithmetic number, because the mean of its divisors is an integer number (2807073376).

Almost surely, 211154423001 is an apocalyptic number.

It is an amenable number.

11154423001 is a deficient number, since it is larger than the sum of its proper divisors (73870503).

11154423001 is an equidigital number, since it uses as much as digits as its factorization.

11154423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73870502.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11154423001 its reverse (10032445111), we get a palindrome (21186868112).

The spelling of 11154423001 in words is "eleven billion, one hundred fifty-four million, four hundred twenty-three thousand, one".

Divisors: 1 151 73870351 11154423001