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42213162540 = 2235703552709
BaseRepresentation
bin100111010100000110…
…011011111000101100
311000221220111211202110
4213110012123320230
51142423032200130
631220434324020
73023036650503
oct472406337054
9130856454673
1042213162540
11169a225889a
128221129610
133c997420b3
1420864b383a
151170e53ab0
hex9d419be2c

42213162540 has 24 divisors (see below), whose sum is σ = 118196855280. Its totient is φ = 11256843328.

The previous prime is 42213162527. The next prime is 42213162547. The reversal of 42213162540 is 4526131224.

42213162540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42213162498 and 42213162507.

It is not an unprimeable number, because it can be changed into a prime (42213162547) 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, 351776295 + ... + 351776414.

It is an arithmetic number, because the mean of its divisors is an integer number (4924868970).

Almost surely, 242213162540 is an apocalyptic number.

It is an amenable number.

42213162540 is an abundant number, since it is smaller than the sum of its proper divisors (75983692740).

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

42213162540 is a wasteful number, since it uses less digits than its factorization.

42213162540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703552721 (or 703552719 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 42213162540 its reverse (4526131224), we get a palindrome (46739293764).

The spelling of 42213162540 in words is "forty-two billion, two hundred thirteen million, one hundred sixty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 703552709 1407105418 2110658127 2814210836 3517763545 4221316254 7035527090 8442632508 10553290635 14071054180 21106581270 42213162540