Search a number
-
+
21032022000 = 24353112231429
BaseRepresentation
bin10011100101100110…
…110010111111110000
32000021202110102021210
4103211212302333300
5321033144201000
613354553120120
71343123144253
oct234546627760
960252412253
1021032022000
118a13034470
1240ab6b9040
131ca2447242
1410373ab09a
15831675350
hex4e59b2ff0

21032022000 has 320 divisors, whose sum is σ = 74355240960. Its totient is φ = 5072256000.

The previous prime is 21032021987. The next prime is 21032022019. The reversal of 21032022000 is 22023012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14717286 + ... + 14718714.

It is an arithmetic number, because the mean of its divisors is an integer number (232360128).

Almost surely, 221032022000 is an apocalyptic number.

21032022000 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 21032022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37177620480).

21032022000 is an abundant number, since it is smaller than the sum of its proper divisors (53323218960).

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

21032022000 is a wasteful number, since it uses less digits than its factorization.

21032022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 21032022000 its reverse (22023012), we get a palindrome (21054045012).

The spelling of 21032022000 in words is "twenty-one billion, thirty-two million, twenty-two thousand".