Search a number
-
+
55678506704 = 2412791272059
BaseRepresentation
bin110011110110101100…
…101001011011010000
312022201022221012101222
4303312230221123100
51403012144203304
641324531344212
74010523332612
oct636654513320
9168638835358
1055678506704
112168207a1a7
12a95a752068
135334353972
1429a2972db2
1516ad1754be
hexcf6b296d0

55678506704 has 20 divisors (see below), whose sum is σ = 107885937120. Its totient is φ = 27836974560.

The previous prime is 55678506701. The next prime is 55678506721. The reversal of 55678506704 is 40760587655.

It is a super-2 number, since 2×556785067042 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55678506701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68627 + ... + 340685.

It is an arithmetic number, because the mean of its divisors is an integer number (5394296856).

Almost surely, 255678506704 is an apocalyptic number.

It is an amenable number.

55678506704 is a deficient number, since it is larger than the sum of its proper divisors (52207430416).

55678506704 is a wasteful number, since it uses less digits than its factorization.

55678506704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284858 (or 284852 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 55678506704 in words is "fifty-five billion, six hundred seventy-eight million, five hundred six thousand, seven hundred four".

Divisors: 1 2 4 8 16 12791 25582 51164 102328 204656 272059 544118 1088236 2176472 4352944 3479906669 6959813338 13919626676 27839253352 55678506704