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42243251152 = 2419138958063
BaseRepresentation
bin100111010101111001…
…001101101111010000
311001001000010111120111
4213111321031233100
51143003233014102
631223431251104
73023553465424
oct472571155720
9131030114514
1042243251152
1116a08239913
12822b219a94
133ca2a484cb
14208a4a6b84
1511738e8cd7
hex9d5e4dbd0

42243251152 has 20 divisors (see below), whose sum is σ = 86153999680. Its totient is φ = 20009960928.

The previous prime is 42243251107. The next prime is 42243251173. The reversal of 42243251152 is 25115234224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69478728 + ... + 69479335.

It is an arithmetic number, because the mean of its divisors is an integer number (4307699984).

Almost surely, 242243251152 is an apocalyptic number.

It is an amenable number.

42243251152 is an abundant number, since it is smaller than the sum of its proper divisors (43910748528).

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

42243251152 is a wasteful number, since it uses less digits than its factorization.

42243251152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138958090 (or 138958084 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

Adding to 42243251152 its reverse (25115234224), we get a palindrome (67358485376).

The spelling of 42243251152 in words is "forty-two billion, two hundred forty-three million, two hundred fifty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 138958063 277916126 555832252 1111664504 2223329008 2640203197 5280406394 10560812788 21121625576 42243251152