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42225879072 = 253131912971373
BaseRepresentation
bin100111010100110110…
…111100100000100000
311000222210102220120010
4213110312330200200
51142434311112242
631222011044520
73023253023106
oct472466744040
9130883386503
1042225879072
11169a9453a23
128225440740
133c9c275280
142088063c76
15117211689c
hex9d4dbc820

42225879072 has 192 divisors, whose sum is σ = 125840373120. Its totient is φ = 12290310144.

The previous prime is 42225879043. The next prime is 42225879089. The reversal of 42225879072 is 27097852224.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30753778 + ... + 30755150.

It is an arithmetic number, because the mean of its divisors is an integer number (655418610).

Almost surely, 242225879072 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 42225879072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62920186560).

42225879072 is an abundant number, since it is smaller than the sum of its proper divisors (83614494048).

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

42225879072 is a wasteful number, since it uses less digits than its factorization.

42225879072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 42225879072 in words is "forty-two billion, two hundred twenty-five million, eight hundred seventy-nine thousand, seventy-two".