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20210201133 = 397521133303
BaseRepresentation
bin10010110100100111…
…110011001000101101
31221011111001120222220
4102310213303020231
5312342302414013
613141234425553
71313553606123
oct226447631055
957144046886
1020210201133
11863114a271
123b004322b9
131ba10c41c5
14d9a1a1913
157d443cb23
hex4b49f322d

20210201133 has 16 divisors (see below), whose sum is σ = 27277197696. Its totient is φ = 13308871680.

The previous prime is 20210201119. The next prime is 20210201147. The reversal of 20210201133 is 33110201202.

It is an interprime number because it is at equal distance from previous prime (20210201119) and next prime (20210201147).

It is not a de Polignac number, because 20210201133 - 224 = 20193423917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210201173) 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, 84960 + ... + 218262.

It is an arithmetic number, because the mean of its divisors is an integer number (1704824856).

Almost surely, 220210201133 is an apocalyptic number.

It is an amenable number.

20210201133 is a deficient number, since it is larger than the sum of its proper divisors (7066996563).

20210201133 is a wasteful number, since it uses less digits than its factorization.

20210201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133924.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20210201133 its reverse (33110201202), we get a palindrome (53320402335).

The spelling of 20210201133 in words is "twenty billion, two hundred ten million, two hundred one thousand, one hundred thirty-three".

Divisors: 1 3 97 291 521 1563 50537 133303 151611 399909 12930391 38791173 69450863 208352589 6736733711 20210201133