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42403040544 = 2531947601823
BaseRepresentation
bin100111011111011010…
…110000110100100000
311001110010210122102010
4213133122300310200
51143320134244134
631251340152520
73030533616624
oct473732606440
9131403718363
1042403040544
1116a8a457a67
128274838740
133cc9b94147
1420a37bd184
15118295dce9
hex9df6b0d20

42403040544 has 192 divisors, whose sum is σ = 120003932160. Its totient is φ = 13067827200.

The previous prime is 42403040513. The next prime is 42403040569. The reversal of 42403040544 is 44504030424.

42403040544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×424030405442 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51522117 + ... + 51522939.

It is an arithmetic number, because the mean of its divisors is an integer number (625020480).

Almost surely, 242403040544 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 42403040544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60001966080).

42403040544 is an abundant number, since it is smaller than the sum of its proper divisors (77600891616).

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

42403040544 is a wasteful number, since it uses less digits than its factorization.

42403040544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 42403040544 its reverse (44504030424), we get a palindrome (86907070968).

The spelling of 42403040544 in words is "forty-two billion, four hundred three million, forty thousand, five hundred forty-four".