Search a number
-
+
16469934308640 = 25325591515472347
BaseRepresentation
bin1110111110101011010010…
…0101010111110100100000
32011022111210001002010222200
43233222310211113310200
54124320411140334030
655010103335133200
73316625216516241
oct357526445276440
964274701063880
1016469934308640
11527a950601a5a
121a1bb97814200
13926153780667
1440d2130b6cc8
151d864a25ad60
hexefab4957d20

16469934308640 has 576 divisors, whose sum is σ = 57664514718720. Its totient is φ = 4279284172800.

The previous prime is 16469934308629. The next prime is 16469934308693. The reversal of 16469934308640 is 4680343996461.

16469934308640 is a `hidden beast` number, since 1 + 6 + 469 + 93 + 4 + 3 + 0 + 86 + 4 + 0 = 666.

It is a super-2 number, since 2×164699343086402 (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7017439947 + ... + 7017442293.

It is an arithmetic number, because the mean of its divisors is an integer number (100112004720).

Almost surely, 216469934308640 is an apocalyptic number.

16469934308640 is a gapful number since it is divisible by the number (10) 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 16469934308640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28832257359360).

16469934308640 is an abundant number, since it is smaller than the sum of its proper divisors (41194580410080).

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

16469934308640 is a wasteful number, since it uses less digits than its factorization.

16469934308640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 16469934308640 in words is "sixteen trillion, four hundred sixty-nine billion, nine hundred thirty-four million, three hundred eight thousand, six hundred forty".