Search a number
-
+
80490670244 = 22471093927907
BaseRepresentation
bin100101011110110011…
…1100010100010100100
321200202112101201000222
41022331213202202210
52304321102421434
6100551002223512
75546430260045
oct1127547424244
9250675351028
1080490670244
1131154980986
12137241b4b98
1377899a143a
143c77dc28cc
1521615e272e
hex12bd9e28a4

80490670244 has 24 divisors (see below), whose sum is σ = 145175479680. Its totient is φ = 39027674016.

The previous prime is 80490670241. The next prime is 80490670289. The reversal of 80490670244 is 44207609408.

It is a junction number, because it is equal to n+sod(n) for n = 80490670195 and 80490670204.

It is not an unprimeable number, because it can be changed into a prime (80490670241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1943462 + ... + 1984445.

It is an arithmetic number, because the mean of its divisors is an integer number (6048978320).

Almost surely, 280490670244 is an apocalyptic number.

It is an amenable number.

80490670244 is a deficient number, since it is larger than the sum of its proper divisors (64684809436).

80490670244 is a wasteful number, since it uses less digits than its factorization.

80490670244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928067 (or 3928065 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 80490670244 in words is "eighty billion, four hundred ninety million, six hundred seventy thousand, two hundred forty-four".

Divisors: 1 2 4 47 94 109 188 218 436 5123 10246 20492 3927907 7855814 15711628 184611629 369223258 428141863 738446516 856283726 1712567452 20122667561 40245335122 80490670244