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2130312210222 = 23790755922513
BaseRepresentation
bin11111000000000000100…
…000001010011100101110
321112122201010021000111110
4133000000200022130232
5234400334411211342
64310352451532450
7306624060005220
oct37000040123456
97478633230443
102130312210222
11751507784099
122a4a512ba126
13125b70020581
14751715ca410
153a633462c9c
hex1f00080a72e

2130312210222 has 32 divisors (see below), whose sum is σ = 4874653700352. Its totient is φ = 607989550464.

The previous prime is 2130312210181. The next prime is 2130312210343. The reversal of 2130312210222 is 2220122130312.

It is a super-2 number, since 2×21303122102222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27923163 + ... + 27999350.

It is an arithmetic number, because the mean of its divisors is an integer number (152332928136).

Almost surely, 22130312210222 is an apocalyptic number.

2130312210222 is an abundant number, since it is smaller than the sum of its proper divisors (2744341490130).

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

2130312210222 is a wasteful number, since it uses less digits than its factorization.

2130312210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55923432.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2130312210222 its reverse (2220122130312), we get a palindrome (4350434340534).

The spelling of 2130312210222 in words is "two trillion, one hundred thirty billion, three hundred twelve million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 907 1814 2721 5442 6349 12698 19047 38094 55922513 111845026 167767539 335535078 391457591 782915182 1174372773 2348745546 50721719291 101443438582 152165157873 304330315746 355052035037 710104070074 1065156105111 2130312210222