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42142030422 = 2317413157161
BaseRepresentation
bin100111001111110111…
…000101101001010110
311000202221122221211120
4213033313011221112
51142301324433142
631205413544410
73021214230312
oct471767055126
9130687587746
1042142030422
1116966094218
128201345106
133c87a9819b
14207ac78b42
151169aa27ec
hex9cfdc5a56

42142030422 has 16 divisors (see below), whose sum is σ = 89241946992. Its totient is φ = 13221029120.

The previous prime is 42142030373. The next prime is 42142030423. The reversal of 42142030422 is 22403024124.

It is a junction number, because it is equal to n+sod(n) for n = 42142030392 and 42142030401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142030423) 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, 206578479 + ... + 206578682.

It is an arithmetic number, because the mean of its divisors is an integer number (5577621687).

Almost surely, 242142030422 is an apocalyptic number.

42142030422 is an abundant number, since it is smaller than the sum of its proper divisors (47099916570).

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

42142030422 is a wasteful number, since it uses less digits than its factorization.

42142030422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413157183.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42142030422 its reverse (22403024124), we get a palindrome (64545054546).

The spelling of 42142030422 in words is "forty-two billion, one hundred forty-two million, thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 413157161 826314322 1239471483 2478942966 7023671737 14047343474 21071015211 42142030422