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16055500980 = 22352311634421
BaseRepresentation
bin11101111001111101…
…11000000010110100
31112102221020221211110
432330332320002310
5230340202012410
611213101035020
71105604335521
oct167476700264
945387227743
1016055500980
116899a03582
123140b55a70
13168b41944c
14ac449c148
1563e80a720
hex3bcfb80b4

16055500980 has 48 divisors (see below), whose sum is σ = 46909989504. Its totient is φ = 4095315840.

The previous prime is 16055500963. The next prime is 16055500987. The reversal of 16055500980 is 8900555061.

It is a super-2 number, since 2×160555009802 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055500987) by changing a digit.

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, 5815831 + ... + 5818590.

It is an arithmetic number, because the mean of its divisors is an integer number (977291448).

Almost surely, 216055500980 is an apocalyptic number.

16055500980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16055500980 is an abundant number, since it is smaller than the sum of its proper divisors (30854488524).

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

16055500980 is a wasteful number, since it uses less digits than its factorization.

16055500980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634456 (or 11634454 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 16055500980 in words is "sixteen billion, fifty-five million, five hundred thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 11634421 23268842 34903263 46537684 58172105 69806526 116344210 139613052 174516315 232688420 267591683 349032630 535183366 698065260 802775049 1070366732 1337958415 1605550098 2675916830 3211100196 4013875245 5351833660 8027750490 16055500980