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201201011983 = 15164713211559
BaseRepresentation
bin1011101101100010000…
…0111100110100001111
3201020100001012102012201
42323120200330310033
511244024424340413
6232232551542331
720351643245446
oct2733040746417
9636301172181
10201201011983
11783687a9294
1232bb198a9a7
1315c860a915a
149a497d5d5d
155378b0e9dd
hex2ed883cd0f

201201011983 has 16 divisors (see below), whose sum is σ = 203130270720. Its totient is φ = 199280664000.

The previous prime is 201201011969. The next prime is 201201012007. The reversal of 201201011983 is 389110102102.

It is a cyclic number.

It is not a de Polignac number, because 201201011983 - 225 = 201167457551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201011933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129056958 + ... + 129058516.

It is an arithmetic number, because the mean of its divisors is an integer number (12695641920).

Almost surely, 2201201011983 is an apocalyptic number.

201201011983 is a deficient number, since it is larger than the sum of its proper divisors (1929258737).

201201011983 is a wasteful number, since it uses less digits than its factorization.

201201011983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 201201011983 in words is "two hundred one billion, two hundred one million, eleven thousand, nine hundred eighty-three".

Divisors: 1 151 647 1321 1559 97697 199471 235409 854687 1008673 2059439 129057737 152309623 310975289 1332457033 201201011983