Search a number
-
+
220125312000 = 21032531129599
BaseRepresentation
bin1100110100000001111…
…1011011010000000000
3210001011220121110111100
43031000133123100000
512101304034441000
6245042453214400
721621624165006
oct3150037332000
9701156543440
10220125312000
1185399aaaa60
12367b3631400
13179b0960809
14a922ca6a76
155ad51e4a00
hex33407db400

220125312000 has 1056 divisors, whose sum is σ = 896684256000. Its totient is φ = 51437568000.

The previous prime is 220125311993. The next prime is 220125312013. The reversal of 220125312000 is 213521022.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 367487701 + ... + 367488299.

Almost surely, 2220125312000 is an apocalyptic number.

220125312000 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 220125312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448342128000).

220125312000 is an abundant number, since it is smaller than the sum of its proper divisors (676558944000).

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

220125312000 is a wasteful number, since it uses less digits than its factorization.

220125312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 220125312000 its reverse (213521022), we get a palindrome (220338833022).

The spelling of 220125312000 in words is "two hundred twenty billion, one hundred twenty-five million, three hundred twelve thousand".