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42905159028 = 223317314347373
BaseRepresentation
bin100111111101010110…
…001100010101110100
311002202010121220111000
4213331112030111310
51200332210042103
631413234243300
73046141556124
oct477526142564
9132663556430
1042905159028
1117217931016
128394a26530
134079c0b584
142110366c84
1511b1a94aa3
hex9fd58c574

42905159028 has 384 divisors, whose sum is σ = 127393136640. Its totient is φ = 12419205120.

The previous prime is 42905158993. The next prime is 42905159029. The reversal of 42905159028 is 82095150924.

It is a happy number.

42905159028 is a `hidden beast` number, since 4 + 2 + 9 + 0 + 51 + 590 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42905159029) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 115027050 + ... + 115027422.

It is an arithmetic number, because the mean of its divisors is an integer number (331752960).

Almost surely, 242905159028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42905159028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63696568320).

42905159028 is an abundant number, since it is smaller than the sum of its proper divisors (84487977612).

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

42905159028 is a wasteful number, since it uses less digits than its factorization.

42905159028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 42905159028 in words is "forty-two billion, nine hundred five million, one hundred fifty-nine thousand, twenty-eight".