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42230561142 = 23711223439823
BaseRepresentation
bin100111010101001000…
…110011100101110110
311001000010020210011010
4213111020303211312
51142442010424032
631222255253050
73023340563340
oct472510634566
9131003223133
1042230561142
1116a01061700
128226b1a186
133ca0224423
142088922290
15117273dccc
hex9d5233976

42230561142 has 192 divisors, whose sum is σ = 111099985920. Its totient is φ = 10455445440.

The previous prime is 42230561137. The next prime is 42230561171. The reversal of 42230561142 is 24116503224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51312543 + ... + 51313365.

It is an arithmetic number, because the mean of its divisors is an integer number (578645760).

Almost surely, 242230561142 is an apocalyptic number.

42230561142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42230561142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55549992960).

42230561142 is an abundant number, since it is smaller than the sum of its proper divisors (68869424778).

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

42230561142 is a wasteful number, since it uses less digits than its factorization.

42230561142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1308 counting only the distinct ones).

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

The spelling of 42230561142 in words is "forty-two billion, two hundred thirty million, five hundred sixty-one thousand, one hundred forty-two".