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16139046280 = 2357371557823
BaseRepresentation
bin11110000011111011…
…00100110110001000
31112122202110111102211
433001331210312020
5231023043440110
611225243434504
71110640426030
oct170175446610
945582414384
1016139046280
116932086385
123164b25a34
1316a281b436
14ad16088c0
15646d0e98a
hex3c1f64d88

16139046280 has 64 divisors (see below), whose sum is σ = 42622064640. Its totient is φ = 5383832832.

The previous prime is 16139046257. The next prime is 16139046283. The reversal of 16139046280 is 8264093161.

16139046280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (16139046283) by changing a digit.

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, 768552 + ... + 789271.

It is an arithmetic number, because the mean of its divisors is an integer number (665969760).

Almost surely, 216139046280 is an apocalyptic number.

16139046280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16139046280 is an abundant number, since it is smaller than the sum of its proper divisors (26483018360).

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

16139046280 is a wasteful number, since it uses less digits than its factorization.

16139046280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557878 (or 1557874 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 16139046280 in words is "sixteen billion, one hundred thirty-nine million, forty-six thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 37 40 56 70 74 140 148 185 259 280 296 370 518 740 1036 1295 1480 2072 2590 5180 10360 1557823 3115646 6231292 7789115 10904761 12462584 15578230 21809522 31156460 43619044 54523805 57639451 62312920 87238088 109047610 115278902 218095220 230557804 288197255 403476157 436190440 461115608 576394510 806952314 1152789020 1613904628 2017380785 2305578040 3227809256 4034761570 8069523140 16139046280