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42170000492 = 2229363534487
BaseRepresentation
bin100111010001100001…
…110010010001101100
311000211220021222120002
4213101201302101230
51142331010003432
631212253243432
73022004042564
oct472141622154
9130756258502
1042170000492
111697a958584
12820a793578
133c9080c219
142080879da4
15116c279e62
hex9d187246c

42170000492 has 12 divisors (see below), whose sum is σ = 76342242480. Its totient is φ = 20357931216.

The previous prime is 42170000479. The next prime is 42170000549. The reversal of 42170000492 is 29400007124.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a pancake number, because a pancake can be divided into 42170000492 parts by 290413 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181767128 + ... + 181767359.

It is an arithmetic number, because the mean of its divisors is an integer number (6361853540).

Almost surely, 242170000492 is an apocalyptic number.

It is an amenable number.

42170000492 is a deficient number, since it is larger than the sum of its proper divisors (34172241988).

42170000492 is a wasteful number, since it uses less digits than its factorization.

42170000492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363534520 (or 363534518 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 42170000492 in words is "forty-two billion, one hundred seventy million, four hundred ninety-two", and thus it is an aban number.

Divisors: 1 2 4 29 58 116 363534487 727068974 1454137948 10542500123 21085000246 42170000492