Search a number
-
+
193944770150400 = 215345217199049
BaseRepresentation
bin101100000110010001001001…
…001000011000000000000000
3221102200221100111101110010000
4230012101021020120000000
5200410042342124303100
61524252555235040000
755565022126654543
oct5406211110300000
9842627314343100
10193944770150400
11568845736904a5
1219903967140000
13842abb4824b09
1435c6d96ad085a
151764e36556900
hexb06449218000

193944770150400 has 1920 divisors, whose sum is σ = 800887375530000. Its totient is φ = 46109326049280.

The previous prime is 193944770150359. The next prime is 193944770150413. The reversal of 193944770150400 is 4051077449391.

193944770150400 is a `hidden beast` number, since 1 + 9 + 3 + 9 + 447 + 7 + 0 + 150 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×1939447701504002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 21432725076 + ... + 21432734124.

Almost surely, 2193944770150400 is an apocalyptic number.

193944770150400 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 193944770150400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400443687765000).

193944770150400 is an abundant number, since it is smaller than the sum of its proper divisors (606942605379600).

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

193944770150400 is an equidigital number, since it uses as much as digits as its factorization.

193944770150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137 (or 9095 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 193944770150400 in words is "one hundred ninety-three trillion, nine hundred forty-four billion, seven hundred seventy million, one hundred fifty thousand, four hundred".