Search a number
-
+
16940793600 = 2836523631
BaseRepresentation
bin11111100011011111…
…11111111100000000
31121201122002111000000
433301233333330000
5234143320343400
611441004000000
71136544240543
oct176157777400
947648074000
1016940793600
1172036aaa75
123349530000
13179c963733
14b69caa85a
156923ce600
hex3f1bfff00

16940793600 has 378 divisors, whose sum is σ = 62885221616. Its totient is φ = 4516300800.

The previous prime is 16940793593. The next prime is 16940793643. The reversal of 16940793600 is 639704961.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 4663785 + ... + 4667415.

Almost surely, 216940793600 is an apocalyptic number.

16940793600 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 16940793600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31442610808).

16940793600 is an abundant number, since it is smaller than the sum of its proper divisors (45944428016).

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

16940793600 is an frugal number, since it uses more digits than its factorization.

16940793600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

It can be divided in two parts, 169 and 40793600, that added together give a square (40793769 = 63872).

The spelling of 16940793600 in words is "sixteen billion, nine hundred forty million, seven hundred ninety-three thousand, six hundred".