Search a number
-
+
75134442001 = 633671185703
BaseRepresentation
bin100010111111001011…
…1001001101000010001
321011221020201010012011
41011332113021220101
52212333404121001
654303303502521
75266621135213
oct1057627115021
9234836633164
1075134442001
1129956485373
121268a457a41
1371150b8808
1438ca8b25b3
151e4b271d51
hex117e5c9a11

75134442001 has 4 divisors (see below), whose sum is σ = 75135691072. Its totient is φ = 75133192932.

The previous prime is 75134441989. The next prime is 75134442013. The reversal of 75134442001 is 10024443157.

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 an interprime number because it is at equal distance from previous prime (75134441989) and next prime (75134442013).

It is a cyclic number.

It is not a de Polignac number, because 75134442001 - 219 = 75133917713 is a prime.

It is a super-3 number, since 3×751344420013 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75134442091) 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, 529485 + ... + 656218.

It is an arithmetic number, because the mean of its divisors is an integer number (18783922768).

Almost surely, 275134442001 is an apocalyptic number.

It is an amenable number.

75134442001 is a deficient number, since it is larger than the sum of its proper divisors (1249071).

75134442001 is a wasteful number, since it uses less digits than its factorization.

75134442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249070.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 75134442001 its reverse (10024443157), we get a palindrome (85158885158).

The spelling of 75134442001 in words is "seventy-five billion, one hundred thirty-four million, four hundred forty-two thousand, one".

Divisors: 1 63367 1185703 75134442001