Search a number
-
+
83405376000 = 29355331173
BaseRepresentation
bin100110110101101011…
…0010000101000000000
321222021122221002200000
41031223112100220000
52331303234013000
6102152122400000
76011601666342
oct1155326205000
9258248832600
1083405376000
1132410184511
12141b8360000
137b327c08bb
144073145292
152282439000
hex136b590a00

83405376000 has 960 divisors, whose sum is σ = 323445298176. Its totient is φ = 21399552000.

The previous prime is 83405375993. The next prime is 83405376007. The reversal of 83405376000 is 67350438.

It is a happy number.

83405376000 is a `hidden beast` number, since 8 + 3 + 40 + 5 + 3 + 7 + 600 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (83405375993) and next prime (83405376007).

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (83405376007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 482111914 + ... + 482112086.

Almost surely, 283405376000 is an apocalyptic number.

83405376000 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 83405376000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161722649088).

83405376000 is an abundant number, since it is smaller than the sum of its proper divisors (240039922176).

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

83405376000 is an equidigital number, since it uses as much as digits as its factorization.

83405376000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 83405376000 in words is "eighty-three billion, four hundred five million, three hundred seventy-six thousand".