Search a number
-
+
108721693704 = 23313769453143
BaseRepresentation
bin110010101000001010…
…0010110010000001000
3101101122000001021210110
41211100110112100020
53240130223144304
6121540203114320
710566140101641
oct1452024262010
9341560037713
10108721693704
114212161a728
12190a28129a0
13a338719250
14539550c6c8
152c64c90289
hex1950516408

108721693704 has 64 divisors (see below), whose sum is σ = 293093539200. Its totient is φ = 33409253376.

The previous prime is 108721693673. The next prime is 108721693711. The reversal of 108721693704 is 407396127801.

It is a happy number.

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, 13357 + ... + 466499.

It is an arithmetic number, because the mean of its divisors is an integer number (4579586550).

Almost surely, 2108721693704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108721693704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146546769600).

108721693704 is an abundant number, since it is smaller than the sum of its proper divisors (184371845496).

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

108721693704 is a wasteful number, since it uses less digits than its factorization.

108721693704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453934 (or 453930 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 108721693704 in words is "one hundred eight billion, seven hundred twenty-one million, six hundred ninety-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 769 1538 2307 3076 4614 6152 9228 9997 18456 19994 29991 39988 59982 79976 119964 239928 453143 906286 1359429 1812572 2718858 3625144 5437716 5890859 10875432 11781718 17672577 23563436 35345154 47126872 70690308 141380616 348466967 696933934 1045400901 1393867868 2090801802 2787735736 4181603604 4530070571 8363207208 9060141142 13590211713 18120282284 27180423426 36240564568 54360846852 108721693704