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28942024982 = 2131113154807
BaseRepresentation
bin11010111101000101…
…000100000100010110
32202201000112012111012
4122331011010010112
5433233124244412
621143520012222
72043132103403
oct327505040426
982630465435
1028942024982
1111302022812
125738761072
132963139890
141587b292aa
15b45ce4c22
hex6bd144116

28942024982 has 8 divisors (see below), whose sum is σ = 46752501936. Its totient is φ = 13357857672.

The previous prime is 28942024961. The next prime is 28942025011.

It is a happy number.

28942024982 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28942024982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556577378 + ... + 556577429.

It is an arithmetic number, because the mean of its divisors is an integer number (5844062742).

Almost surely, 228942024982 is an apocalyptic number.

28942024982 is a deficient number, since it is larger than the sum of its proper divisors (17810476954).

28942024982 is a wasteful number, since it uses less digits than its factorization.

28942024982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113154822.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 28942024982 in words is "twenty-eight billion, nine hundred forty-two million, twenty-four thousand, nine hundred eighty-two".

Divisors: 1 2 13 26 1113154807 2226309614 14471012491 28942024982