Search a number
-
+
16241317820 = 2257138923801
BaseRepresentation
bin11110010000000111…
…01101011110111100
31112220212220102121122
433020003231132330
5231230234132240
611243335450112
71113321631550
oct171003553674
945825812548
1016241317820
116984889512
123193226938
1316baa78b40
14b0102b860
15650cb24b5
hex3c80ed7bc

16241317820 has 48 divisors (see below), whose sum is σ = 41977564608. Its totient is φ = 5140108800.

The previous prime is 16241317783. The next prime is 16241317861. The reversal of 16241317820 is 2871314261.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4460081 + ... + 4463720.

It is an arithmetic number, because the mean of its divisors is an integer number (874532596).

Almost surely, 216241317820 is an apocalyptic number.

16241317820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16241317820 is an abundant number, since it is smaller than the sum of its proper divisors (25736246788).

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

16241317820 is a wasteful number, since it uses less digits than its factorization.

16241317820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923830 (or 8923828 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 16241317820 in words is "sixteen billion, two hundred forty-one million, three hundred seventeen thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 8923801 17847602 35695204 44619005 62466607 89238010 116009413 124933214 178476020 232018826 249866428 312333035 464037652 580047065 624666070 812065891 1160094130 1249332140 1624131782 2320188260 3248263564 4060329455 8120658910 16241317820