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2130202121332 = 222237373363773
BaseRepresentation
bin11110111111111001111…
…100001101010001110100
321112122102110002220221011
4132333321330031101310
5234400123220340312
64310333520202004
7306621252163315
oct36777174152164
97478373086834
102130202121332
1175146062173a
122a4a20469304
13125b5328690c
1475160b3060c
153a628968da7
hex1eff9f0d474

2130202121332 has 24 divisors (see below), whose sum is σ = 3730577729256. Its totient is φ = 1064323049088.

The previous prime is 2130202121323. The next prime is 2130202121339. The reversal of 2130202121332 is 2331212020312.

It can be written as a sum of positive squares in 4 ways, for example, as 176228681616 + 1953973439716 = 419796^2 + 1397846^2 .

It is a super-2 number, since 2×21302021213322 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130202121339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33370998 + ... + 33434770.

It is an arithmetic number, because the mean of its divisors is an integer number (155440738719).

Almost surely, 22130202121332 is an apocalyptic number.

It is an amenable number.

2130202121332 is a deficient number, since it is larger than the sum of its proper divisors (1600375607924).

2130202121332 is a wasteful number, since it uses less digits than its factorization.

2130202121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69747 (or 69745 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2130202121332 its reverse (2331212020312), we get a palindrome (4461414141644).

The spelling of 2130202121332 in words is "two trillion, one hundred thirty billion, two hundred two million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 2237 3733 4474 7466 8948 14932 63773 127546 255092 8350721 16701442 33402884 142660201 238064609 285320402 476129218 570640804 952258436 532550530333 1065101060666 2130202121332