Search a number
-
+
893432401920 = 2123352370249
BaseRepresentation
bin11010000000001001011…
…10001001000000000000
310011102002211200112101000
431000010232021000000
5104114222143330140
61522234233012000
7121356042054162
oct15000456110000
93142084615330
10893432401920
113149a2332193
121251a0854000
1366333c2aab6
1431357066932
1518390b76a30
hexd004b89000

893432401920 has 416 divisors, whose sum is σ = 3314406240000. Its totient is φ = 227886759936.

The previous prime is 893432401909. The next prime is 893432401937. The reversal of 893432401920 is 29104234398.

893432401920 is a `hidden beast` number, since 8 + 93 + 432 + 40 + 1 + 92 + 0 = 666.

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 31 ways as a sum of consecutive naturals, for example, 12682956 + ... + 12753204.

Almost surely, 2893432401920 is an apocalyptic number.

893432401920 is a gapful number since it is divisible by the number (80) 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 893432401920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657203120000).

893432401920 is an abundant number, since it is smaller than the sum of its proper divisors (2420973838080).

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

893432401920 is a wasteful number, since it uses less digits than its factorization.

893432401920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70310 (or 70282 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 893432401920 in words is "eight hundred ninety-three billion, four hundred thirty-two million, four hundred one thousand, nine hundred twenty".