Search a number
-
+
48779936566140 = 22351362538380213
BaseRepresentation
bin10110001011101011101101…
…10010101000101101111100
320101201022112122120010000110
423011311312302220231330
522343202302230104030
6251425105443430020
713163143205352603
oct1305656662505574
9211638478503013
1048779936566140
11145a75005571aa
125579a66085310
13212ac0b580720
14c08d66604a3a
15598d288781b0
hex2c5d76ca8b7c

48779936566140 has 48 divisors (see below), whose sum is σ = 147090270263328. Its totient is φ = 12007369000704.

The previous prime is 48779936566139. The next prime is 48779936566169. The reversal of 48779936566140 is 4166563997784.

It is a super-2 number, since 2×487799365661402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31269189327 + ... + 31269190886.

It is an arithmetic number, because the mean of its divisors is an integer number (3064380630486).

Almost surely, 248779936566140 is an apocalyptic number.

It is an amenable number.

48779936566140 is an abundant number, since it is smaller than the sum of its proper divisors (98310333697188).

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

48779936566140 is a wasteful number, since it uses less digits than its factorization.

48779936566140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62538380238 (or 62538380236 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 75.

The spelling of 48779936566140 in words is "forty-eight trillion, seven hundred seventy-nine billion, nine hundred thirty-six million, five hundred sixty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 62538380213 125076760426 187615140639 250153520852 312691901065 375230281278 625383802130 750460562556 812998942769 938075703195 1250767604260 1625997885538 1876151406390 2438996828307 3251995771076 3752302812780 4064994713845 4877993656614 8129989427690 9755987313228 12194984141535 16259978855380 24389968283070 48779936566140