Search a number
-
+
144908021970478 = 2135573385460403
BaseRepresentation
bin100000111100101100000111…
…001011001011011000101110
3201000002001221012110122111101
4200330230013023023120232
5122443133112111023403
61232105454251113314
742344154604506604
oct4074540713133056
9630061835418441
10144908021970478
1142199168726878
121430418b44283a
1362b19c9c2b610
1427ad82b199874
1511b45cbdad71d
hex83cb072cb62e

144908021970478 has 8 divisors (see below), whose sum is σ = 234082189336968. Its totient is φ = 66880625524824.

The previous prime is 144908021970431. The next prime is 144908021970599. The reversal of 144908021970478 is 874079120809441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786692730176 + ... + 2786692730227.

It is an arithmetic number, because the mean of its divisors is an integer number (29260273667121).

Almost surely, 2144908021970478 is an apocalyptic number.

144908021970478 is a deficient number, since it is larger than the sum of its proper divisors (89174167366490).

144908021970478 is a wasteful number, since it uses less digits than its factorization.

144908021970478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573385460418.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 144908021970478 in words is "one hundred forty-four trillion, nine hundred eight billion, twenty-one million, nine hundred seventy thousand, four hundred seventy-eight".

Divisors: 1 2 13 26 5573385460403 11146770920806 72454010985239 144908021970478