Search a number
-
+
5551315890 = 235185043863
BaseRepresentation
bin1010010101110001…
…00101101110110010
3112022212210001210020
411022320211232302
542332114102030
62314503544310
7254365256301
oct51270455662
915285701706
105551315890
11239963387a
1210ab15b096
136a6140003
143a93b4438
15227559510
hex14ae25bb2

5551315890 has 16 divisors (see below), whose sum is σ = 13323158208. Its totient is φ = 1480350896.

The previous prime is 5551315883. The next prime is 5551315921. The reversal of 5551315890 is 985131555.

It is a super-2 number, since 2×55513158902 = 61634216221132984200, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 92521902 + ... + 92521961.

It is an arithmetic number, because the mean of its divisors is an integer number (832697388).

Almost surely, 25551315890 is an apocalyptic number.

5551315890 is an abundant number, since it is smaller than the sum of its proper divisors (7771842318).

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

5551315890 is a wasteful number, since it uses less digits than its factorization.

5551315890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185043873.

The product of its (nonzero) digits is 135000, while the sum is 42.

The square root of 5551315890 is about 74507.1532807421. The cubic root of 5551315890 is about 1770.6469689562.

The spelling of 5551315890 in words is "five billion, five hundred fifty-one million, three hundred fifteen thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 185043863 370087726 555131589 925219315 1110263178 1850438630 2775657945 5551315890