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42521485484 = 22173931159073
BaseRepresentation
bin100111100110011110…
…100110000010101100
311001202101200021022202
4213212132212002230
51144041000013414
631311211001032
73033502443302
oct474636460254
9131671607282
1042521485484
11170402a7445
1282a8439178
1340185952ca
1420b5412272
15118d0589de
hex9e67a60ac

42521485484 has 24 divisors (see below), whose sum is σ = 78810349968. Its totient is φ = 20004894720.

The previous prime is 42521485483. The next prime is 42521485529. The reversal of 42521485484 is 48458412524.

42521485484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42521485481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187772 + ... + 346844.

It is an arithmetic number, because the mean of its divisors is an integer number (3283764582).

Almost surely, 242521485484 is an apocalyptic number.

It is an amenable number.

42521485484 is a deficient number, since it is larger than the sum of its proper divisors (36288864484).

42521485484 is a wasteful number, since it uses less digits than its factorization.

42521485484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163025 (or 163023 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 47.

The spelling of 42521485484 in words is "forty-two billion, five hundred twenty-one million, four hundred eighty-five thousand, four hundred eighty-four".

Divisors: 1 2 4 17 34 68 3931 7862 15724 66827 133654 159073 267308 318146 636292 2704241 5408482 10816964 625315963 1250631926 2501263852 10630371371 21260742742 42521485484