Search a number
-
+
22993052221440 = 21435571571051
BaseRepresentation
bin1010011101001011111001…
…01101011100000000000000
310000102010002100021001200000
411032211330231130000000
511003204232332041230
6120522510134400000
74562123161105560
oct516457455340000
9100363070231600
1022993052221440
117365331607964
1226b425a800000
13caa30a593262
14596c2650cda0
1529d17e678b60
hex14e97cb5c000

22993052221440 has 1440 divisors, whose sum is σ = 95159495069184. Its totient is φ = 5217111244800.

The previous prime is 22993052221277. The next prime is 22993052221441. The reversal of 22993052221440 is 4412225039922.

22993052221440 is a `hidden beast` number, since 2 + 2 + 99 + 30 + 522 + 2 + 1 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22993052221441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21877308915 + ... + 21877309965.

Almost surely, 222993052221440 is an apocalyptic number.

22993052221440 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 22993052221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47579747534592).

22993052221440 is an abundant number, since it is smaller than the sum of its proper divisors (72166442847744).

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

22993052221440 is an equidigital number, since it uses as much as digits as its factorization.

22993052221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 22993052221440 in words is "twenty-two trillion, nine hundred ninety-three billion, fifty-two million, two hundred twenty-one thousand, four hundred forty".