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22030261968 = 243111319251673
BaseRepresentation
bin10100100001000110…
…110001111011010000
32002212022211021002110
4110201012301323100
5330104221340333
614042012545320
71406634065001
oct244106617320
962768737073
1022030261968
119385565980
124329a82240
1321011b9290
1410cdbbb1a8
1588e10a063
hex5211b1ed0

22030261968 has 320 divisors, whose sum is σ = 70765470720. Its totient is φ = 5806080000.

The previous prime is 22030261961. The next prime is 22030261997. The reversal of 22030261968 is 86916203022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030261961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32734080 + ... + 32734752.

It is an arithmetic number, because the mean of its divisors is an integer number (221142096).

Almost surely, 222030261968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030261968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35382735360).

22030261968 is an abundant number, since it is smaller than the sum of its proper divisors (48735208752).

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

22030261968 is a wasteful number, since it uses less digits than its factorization.

22030261968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 22030261968 in words is "twenty-two billion, thirty million, two hundred sixty-one thousand, nine hundred sixty-eight".