Search a number
-
+
672969373632 = 263423311631117
BaseRepresentation
bin10011100101100000001…
…10011011011111000000
32101100001101121022020000
421302300012123133000
542011220124424012
61233054033120000
766422544202443
oct11626006333700
92340041538200
10672969373632
1123a44a737a66
12aa5140b9000
134b5cb32527a
14248013ad65a
151278aec2ddc
hex9cb019b7c0

672969373632 has 560 divisors, whose sum is σ = 2163893901312. Its totient is φ = 206189660160.

The previous prime is 672969373589. The next prime is 672969373651. The reversal of 672969373632 is 236373969276.

It is a self number, because there is not a number n which added to its sum of digits gives 672969373632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 602478738 + ... + 602479854.

Almost surely, 2672969373632 is an apocalyptic number.

672969373632 is a gapful number since it is divisible by the number (62) 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 672969373632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081946950656).

672969373632 is an abundant number, since it is smaller than the sum of its proper divisors (1490924527680).

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

672969373632 is a wasteful number, since it uses less digits than its factorization.

672969373632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1339 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 63.

The spelling of 672969373632 in words is "six hundred seventy-two billion, nine hundred sixty-nine million, three hundred seventy-three thousand, six hundred thirty-two".