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42537371448 = 2331113292571663
BaseRepresentation
bin100111100111011011…
…001100011100111000
311001210111120100202210
4213213123030130320
51144104031341243
631312535255120
73034054456125
oct474733143470
9131714510683
1042537371448
1117049267840
1282b181a4a0
13401b967ca0
1420b758974c
15118e645933
hex9e76cc738

42537371448 has 256 divisors, whose sum is σ = 129823948800. Its totient is φ = 11436687360.

The previous prime is 42537371431. The next prime is 42537371473. The reversal of 42537371448 is 84417373524.

It is a junction number, because it is equal to n+sod(n) for n = 42537371397 and 42537371406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25577865 + ... + 25579527.

It is an arithmetic number, because the mean of its divisors is an integer number (507124800).

Almost surely, 242537371448 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 42537371448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64911974400).

42537371448 is an abundant number, since it is smaller than the sum of its proper divisors (87286577352).

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

42537371448 is a wasteful number, since it uses less digits than its factorization.

42537371448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1978 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 48.

The spelling of 42537371448 in words is "forty-two billion, five hundred thirty-seven million, three hundred seventy-one thousand, four hundred forty-eight".