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194028040080 = 243257225121911
BaseRepresentation
bin1011010010110011111…
…0001110111110010000
3200112211010222200120200
42310230332032332100
511134332134240310
6225045114135200
720006124062100
oct2645476167620
9615733880520
10194028040080
1175317852336
123172b721500
13153b1cc0294
149568cd1200
1550a90299c0
hex2d2cf8ef90

194028040080 has 360 divisors, whose sum is σ = 761050914624. Its totient is φ = 44170560000.

The previous prime is 194028039941. The next prime is 194028040093. The reversal of 194028040080 is 80040820491.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8844325 + ... + 8866235.

Almost surely, 2194028040080 is an apocalyptic number.

194028040080 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 194028040080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380525457312).

194028040080 is an abundant number, since it is smaller than the sum of its proper divisors (567022874544).

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

194028040080 is a wasteful number, since it uses less digits than its factorization.

194028040080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22195 (or 22179 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 194028040080 in words is "one hundred ninety-four billion, twenty-eight million, forty thousand, eighty".