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163530015656 = 2372920178851
BaseRepresentation
bin1001100001001100100…
…1100000001110101000
3120122002200120112010112
42120103021200032220
510134402141000111
6203042531433452
714546266125020
oct2302311401650
9518080515115
10163530015656
1163397481177
1227839a55888
13125616b5397
147cb4686a80
1543c1827e8b
hex26132603a8

163530015656 has 16 divisors (see below), whose sum is σ = 350421462240. Its totient is φ = 70084292400.

The previous prime is 163530015619. The next prime is 163530015659. The reversal of 163530015656 is 656510035361.

It is a happy number.

163530015656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1635300156562 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163530015659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460089370 + ... + 1460089481.

It is an arithmetic number, because the mean of its divisors is an integer number (21901341390).

Almost surely, 2163530015656 is an apocalyptic number.

It is an amenable number.

163530015656 is an abundant number, since it is smaller than the sum of its proper divisors (186891446584).

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

163530015656 is a wasteful number, since it uses less digits than its factorization.

163530015656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920178864 (or 2920178860 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 163530015656 in words is "one hundred sixty-three billion, five hundred thirty million, fifteen thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 2920178851 5840357702 11680715404 20441251957 23361430808 40882503914 81765007828 163530015656