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55305415250 = 253263841147
BaseRepresentation
bin110011100000011101…
…011010101001010010
312021202022220012010222
4303200131122221102
51401231141242000
641223522553042
73665343162461
oct634035325122
9167668805128
1055305415250
1121500513058
12a875808782
1352a4c741a7
1429691b49d8
15168a529a85
hexce075aa52

55305415250 has 32 divisors (see below), whose sum is σ = 103925517696. Its totient is φ = 22038025200.

The previous prime is 55305415241. The next prime is 55305415273. The reversal of 55305415250 is 5251450355.

It is a self number, because there is not a number n which added to its sum of digits gives 55305415250.

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 15 ways as a sum of consecutive naturals, for example, 354824 + ... + 486323.

It is an arithmetic number, because the mean of its divisors is an integer number (3247672428).

Almost surely, 255305415250 is an apocalyptic number.

55305415250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55305415250 is a deficient number, since it is larger than the sum of its proper divisors (48620102446).

55305415250 is a wasteful number, since it uses less digits than its factorization.

55305415250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841427 (or 841417 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55305415250 in words is "fifty-five billion, three hundred five million, four hundred fifteen thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 263 526 1315 2630 6575 13150 32875 65750 841147 1682294 4205735 8411470 21028675 42057350 105143375 210286750 221221661 442443322 1106108305 2212216610 5530541525 11061083050 27652707625 55305415250