Search a number
-
+
42972782677 = 114390851549
BaseRepresentation
bin101000000001011000…
…001010000001010101
311002220211212112200121
4220001120022001111
51201002013021202
631424051511541
73050622424456
oct500130120125
9132824775617
1042972782677
1117252019730
1283b35b85b1
13408ac27576
14211932b12d
1511b79a1537
hexa0160a055

42972782677 has 8 divisors (see below), whose sum is σ = 47969618400. Its totient is φ = 38157650160.

The previous prime is 42972782669. The next prime is 42972782687. The reversal of 42972782677 is 77628727924.

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

It is a cyclic number.

It is not a de Polignac number, because 42972782677 - 23 = 42972782669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42972782687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45425302 + ... + 45426247.

It is an arithmetic number, because the mean of its divisors is an integer number (5996202300).

Almost surely, 242972782677 is an apocalyptic number.

It is an amenable number.

42972782677 is a deficient number, since it is larger than the sum of its proper divisors (4996835723).

42972782677 is a wasteful number, since it uses less digits than its factorization.

42972782677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90851603.

The product of its digits is 33191424, while the sum is 61.

The spelling of 42972782677 in words is "forty-two billion, nine hundred seventy-two million, seven hundred eighty-two thousand, six hundred seventy-seven".

Divisors: 1 11 43 473 90851549 999367039 3906616607 42972782677