Search a number
-
+
55679460912 = 243541438123
BaseRepresentation
bin110011110110110000…
…010010011000110000
312022201101201200100000
4303312300102120300
51403012420222122
641325004030000
74010534415555
oct636660223060
9168641650300
1055679460912
11216826710a9
12a95ab32300
1353345c909a
1429a2b40a2c
1516ad2b30ac
hexcf6c12630

55679460912 has 240 divisors, whose sum is σ = 169408407168. Its totient is φ = 17683868160.

The previous prime is 55679460899. The next prime is 55679460913. The reversal of 55679460912 is 21906497655.

55679460912 is a `hidden beast` number, since 5 + 567 + 9 + 4 + 60 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (55679460913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6850483 + ... + 6858605.

Almost surely, 255679460912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55679460912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84704203584).

55679460912 is an abundant number, since it is smaller than the sum of its proper divisors (113728946256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55679460912 is a wasteful number, since it uses less digits than its factorization.

55679460912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 55679460912 in words is "fifty-five billion, six hundred seventy-nine million, four hundred sixty thousand, nine hundred twelve".