Search a number
-
+
28277494954 = 235340053109
BaseRepresentation
bin11010010101011110…
…000101010010101010
32200222201002120122221
4122111132011102222
5430403014314304
620553540504254
72020512512152
oct322536052252
980881076587
1028277494954
1110aa09aa545
1255920ab08a
132888569147
141523785762
15b077cc054
hex6957854aa

28277494954 has 8 divisors (see below), whose sum is σ = 42536402820. Its totient is φ = 14098694016.

The previous prime is 28277494879. The next prime is 28277494979. The reversal of 28277494954 is 45949477282.

It can be written as a sum of positive squares in 2 ways, for example, as 28233072729 + 44422225 = 168027^2 + 6665^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 28277494892 and 28277494901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20025849 + ... + 20027260.

Almost surely, 228277494954 is an apocalyptic number.

28277494954 is a deficient number, since it is larger than the sum of its proper divisors (14258907866).

28277494954 is a wasteful number, since it uses less digits than its factorization.

28277494954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40053464.

The product of its digits is 40642560, while the sum is 61.

The spelling of 28277494954 in words is "twenty-eight billion, two hundred seventy-seven million, four hundred ninety-four thousand, nine hundred fifty-four".

Divisors: 1 2 353 706 40053109 80106218 14138747477 28277494954