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42402241430 = 2519891213173
BaseRepresentation
bin100111011111010111…
…101101101110010110
311001110002022001020022
4213133113231232112
51143314433211210
631251311105142
73030524051063
oct473727555626
9131402261208
1042402241430
1116a89a6163a
1282745121b2
133cc99744b3
1420a3651c6a
151182852155
hex9df5edb96

42402241430 has 16 divisors (see below), whose sum is σ = 76328229744. Its totient is φ = 16959964320.

The previous prime is 42402241397. The next prime is 42402241433. The reversal of 42402241430 is 3414220424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42402241430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402241433) 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, 92324 + ... + 305496.

It is an arithmetic number, because the mean of its divisors is an integer number (4770514359).

Almost surely, 242402241430 is an apocalyptic number.

42402241430 is a deficient number, since it is larger than the sum of its proper divisors (33925988314).

42402241430 is a wasteful number, since it uses less digits than its factorization.

42402241430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233071.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42402241430 its reverse (3414220424), we get a palindrome (45816461854).

The spelling of 42402241430 in words is "forty-two billion, four hundred two million, two hundred forty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 19891 39782 99455 198910 213173 426346 1065865 2131730 4240224143 8480448286 21201120715 42402241430