Search a number
-
+
55611145100 = 2252779444493
BaseRepresentation
bin110011110010101011…
…101011101110001100
312022112122011212122202
4303302223223232030
51402342423120400
641314123501032
74006044635240
oct636253535614
9168478155582
1055611145100
1121648050455
12a940087778
1353233ca024
142997a3a420
1516a72bb4d5
hexcf2aebb8c

55611145100 has 36 divisors (see below), whose sum is σ = 137915641584. Its totient is φ = 19066678080.

The previous prime is 55611145067. The next prime is 55611145147. The reversal of 55611145100 is 154111655.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39721547 + ... + 39722946.

It is an arithmetic number, because the mean of its divisors is an integer number (3830990044).

Almost surely, 255611145100 is an apocalyptic number.

55611145100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55611145100 is an abundant number, since it is smaller than the sum of its proper divisors (82304496484).

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

55611145100 is a wasteful number, since it uses less digits than its factorization.

55611145100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79444514 (or 79444507 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 55611145100 its reverse (154111655), we get a palindrome (55765256755).

The spelling of 55611145100 in words is "fifty-five billion, six hundred eleven million, one hundred forty-five thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 79444493 158888986 317777972 397222465 556111451 794444930 1112222902 1588889860 1986112325 2224445804 2780557255 3972224650 5561114510 7944449300 11122229020 13902786275 27805572550 55611145100