Search a number
-
+
144500468621 = 523276291527
BaseRepresentation
bin1000011010010011100…
…1100010101110001101
3111210222111010101002012
42012210321202232031
54331414104443441
6150214350311005
713303566501035
oct2064471425615
9453874111065
10144500468621
11563118248a3
1224008ab8465
131081b0a0b92
146dcb21a8c5
153b5ada39eb
hex21a4e62b8d

144500468621 has 4 divisors (see below), whose sum is σ = 144776760672. Its totient is φ = 144224176572.

The previous prime is 144500468551. The next prime is 144500468659. The reversal of 144500468621 is 126864005441.

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 144500468621 - 226 = 144433359757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144500468521) 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, 138145241 + ... + 138146286.

It is an arithmetic number, because the mean of its divisors is an integer number (36194190168).

Almost surely, 2144500468621 is an apocalyptic number.

It is an amenable number.

144500468621 is a deficient number, since it is larger than the sum of its proper divisors (276292051).

144500468621 is an equidigital number, since it uses as much as digits as its factorization.

144500468621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276292050.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 144500468621 in words is "one hundred forty-four billion, five hundred million, four hundred sixty-eight thousand, six hundred twenty-one".

Divisors: 1 523 276291527 144500468621