Search a number
-
+
672680680858 = 214933113734967
BaseRepresentation
bin10011100100111101110…
…01001001110110011010
32101022022021101012012001
421302132321021312122
542010122223241413
61233005241311214
766412440305524
oct11623671116632
92338267335161
10672680680858
1123a31178689a
12aa45349550a
134b583586044
14247b4d00a14
15127709994dd
hex9c9ee49d9a

672680680858 has 32 divisors (see below), whose sum is σ = 1019809180800. Its totient is φ = 332764111680.

The previous prime is 672680680849. The next prime is 672680680873. The reversal of 672680680858 is 858086086276.

It is a self number, because there is not a number n which added to its sum of digits gives 672680680858.

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, 135427491 + ... + 135432457.

It is an arithmetic number, because the mean of its divisors is an integer number (31869036900).

Almost surely, 2672680680858 is an apocalyptic number.

672680680858 is a deficient number, since it is larger than the sum of its proper divisors (347128499942).

672680680858 is a wasteful number, since it uses less digits than its factorization.

672680680858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822.

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 672680680858 in words is "six hundred seventy-two billion, six hundred eighty million, six hundred eighty thousand, eight hundred fifty-eight".

Divisors: 1 2 149 298 331 662 1373 2746 4967 9934 49319 98638 204577 409154 454463 740083 908926 1480166 1644077 3288154 6819691 13639382 67714987 135429974 244967473 489934946 1016133959 2032267918 2257317721 4514635442 336340340429 672680680858