Search a number
-
+
28695168000 = 210335319223
BaseRepresentation
bin11010101110010111…
…011000010000000000
32202001211000120101000
4122232113120100000
5432231430334000
621103221012000
72034043621632
oct325627302000
982054016330
1028695168000
1111195746484
125689b54000
132923c57965
14156302aa52
15b2e2d2000
hex6ae5d8400

28695168000 has 1056 divisors, whose sum is σ = 116798872320. Its totient is φ = 6934118400.

The previous prime is 28695167993. The next prime is 28695168013. The reversal of 28695168000 is 86159682.

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

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, 1247615989 + ... + 1247616011.

Almost surely, 228695168000 is an apocalyptic number.

28695168000 is a gapful number since it is divisible by the number (20) 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 28695168000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58399436160).

28695168000 is an abundant number, since it is smaller than the sum of its proper divisors (88103704320).

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

28695168000 is a wasteful number, since it uses less digits than its factorization.

28695168000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 28695168000 in words is "twenty-eight billion, six hundred ninety-five million, one hundred sixty-eight thousand".