Search a number
-
+
280986103320 = 2335131939723879
BaseRepresentation
bin1000001011011000001…
…00111010111000011000
3222212021101220222221120
410011230010322320120
514100424420301240
6333025551205240
726205045320256
oct4055404727030
9885241828846
10280986103320
11a919036a2aa
1246559816820
132065c836a80
14d857bcb5d6
1574982cbad0
hex416c13ae18

280986103320 has 256 divisors, whose sum is σ = 958027392000. Its totient is φ = 65357715456.

The previous prime is 280986103289. The next prime is 280986103351. The reversal of 280986103320 is 23301689082.

It is an interprime number because it is at equal distance from previous prime (280986103289) and next prime (280986103351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11755141 + ... + 11779019.

It is an arithmetic number, because the mean of its divisors is an integer number (3742294500).

Almost surely, 2280986103320 is an apocalyptic number.

280986103320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280986103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479013696000).

280986103320 is an abundant number, since it is smaller than the sum of its proper divisors (677041288680).

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

280986103320 is a wasteful number, since it uses less digits than its factorization.

280986103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24322 (or 24318 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 280986103320 in words is "two hundred eighty billion, nine hundred eighty-six million, one hundred three thousand, three hundred twenty".