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213964380801 = 32185031284863
BaseRepresentation
bin1100011101000101000…
…1010101101010000001
3202110021112201201201100
43013101101111222001
512001144340141201
6242143251125013
721313144141323
oct3072121255201
9673245651640
10213964380801
1182818351186
12355742a3769
131723b4394b2
14a4da965613
1558743bd886
hex31d1455a81

213964380801 has 12 divisors (see below), whose sum is σ = 309076604928. Its totient is φ = 142635100344.

The previous prime is 213964380787. The next prime is 213964380821. The reversal of 213964380801 is 108083469312.

213964380801 is a `hidden beast` number, since 2 + 139 + 6 + 438 + 0 + 80 + 1 = 666.

It is not a de Polignac number, because 213964380801 - 222 = 213960186497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213964380821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475905 + ... + 808958.

It is an arithmetic number, because the mean of its divisors is an integer number (25756383744).

Almost surely, 2213964380801 is an apocalyptic number.

It is an amenable number.

213964380801 is a deficient number, since it is larger than the sum of its proper divisors (95112224127).

213964380801 is a wasteful number, since it uses less digits than its factorization.

213964380801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303372 (or 1303369 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 213964380801 in words is "two hundred thirteen billion, nine hundred sixty-four million, three hundred eighty thousand, eight hundred one".

Divisors: 1 3 9 18503 55509 166527 1284863 3854589 11563767 23773820089 71321460267 213964380801