Search a number
-
+
2980006185980 = 225156839500753
BaseRepresentation
bin101011010111010110001…
…101011100101111111100
3101112212220202101021202202
4223113112031130233330
5342311023040422410
610200555042411032
7425204221433105
oct53272615345774
911485822337682
102980006185980
11a498a489233a
12401666060a78
1318802350cb15
14a43397813ac
15527b42eaca5
hex2b5d635cbfc

2980006185980 has 24 divisors (see below), whose sum is σ = 6258412680912. Its totient is φ = 1191926342912.

The previous prime is 2980006185977. The next prime is 2980006186007. The reversal of 2980006185980 is 895816000892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436717 + ... + 5064036.

It is an arithmetic number, because the mean of its divisors is an integer number (260767195038).

Almost surely, 22980006185980 is an apocalyptic number.

2980006185980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2980006185980 is an abundant number, since it is smaller than the sum of its proper divisors (3278406494932).

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

2980006185980 is a wasteful number, since it uses less digits than its factorization.

2980006185980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516445 (or 9516443 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 2980006185980 in words is "two trillion, nine hundred eighty billion, six million, one hundred eighty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 15683 31366 62732 78415 156830 313660 9500753 19001506 38003012 47503765 95007530 190015060 149000309299 298000618598 596001237196 745001546495 1490003092990 2980006185980