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22123101040 = 245443624241
BaseRepresentation
bin10100100110101000…
…111011101101110000
32010002210111222100121
4110212220323231300
5330302003213130
614055130500024
71412142153565
oct244650735560
963083458317
1022123101040
119422a06287
124354b94614
1321174c3541
1410dc26686c
15897347d7a
hex526a3bb70

22123101040 has 40 divisors (see below), whose sum is σ = 51552401328. Its totient is φ = 8829250560.

The previous prime is 22123101031. The next prime is 22123101043. The reversal of 22123101040 is 4010132122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123101043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276681 + ... + 347560.

Almost surely, 222123101040 is an apocalyptic number.

22123101040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123101040 is an abundant number, since it is smaller than the sum of its proper divisors (29429300288).

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

22123101040 is a wasteful number, since it uses less digits than its factorization.

22123101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624697 (or 624691 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22123101040 its reverse (4010132122), we get a palindrome (26133233162).

The spelling of 22123101040 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 443 886 1772 2215 3544 4430 7088 8860 17720 35440 624241 1248482 2496964 3121205 4993928 6242410 9987856 12484820 24969640 49939280 276538763 553077526 1106155052 1382693815 2212310104 2765387630 4424620208 5530775260 11061550520 22123101040