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2130727009401 = 31060072
BaseRepresentation
bin11111000000011001001…
…110011111110001111001
321112200210000210000000000
4133000121032133301321
5234402212103300101
64310501550303213
7306640254515244
oct37003116376171
97480700700000
102130727009401
117516aa937931
122a4b481b7b09
13125c07c43c83
14751b072425b
153a659a9b486
hex1f01939fc79

2130727009401 has 33 divisors (see below), whose sum is σ = 3196604618661. Its totient is φ = 1420248201372.

The previous prime is 2130727009381. The next prime is 2130727009417. The reversal of 2130727009401 is 1049007270312.

The square root of 2130727009401 is 1459701.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2130727009401 - 215 = 2130726976633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130727001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 354704340 + ... + 354710346.

Almost surely, 22130727009401 is an apocalyptic number.

2130727009401 is the 1459701-st square number.

2130727009401 is the 729851-st centered octagonal number.

It is an amenable number.

2130727009401 is a deficient number, since it is larger than the sum of its proper divisors (1065877609260).

2130727009401 is an frugal number, since it uses more digits than its factorization.

2130727009401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044 (or 6010 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Multiplying 2130727009401 by its sum of digits (36), we get a square (76706172338436 = 87582062).

The spelling of 2130727009401 in words is "two trillion, one hundred thirty billion, seven hundred twenty-seven million, nine thousand, four hundred one".

Divisors: 1 3 9 27 81 243 729 2187 6007 6561 18021 19683 54063 59049 162189 486567 1459701 4379103 13137309 36084049 39411927 108252147 118235781 324756441 354707343 974269323 2922807969 8768423907 26305271721 78915815163 236747445489 710242336467 2130727009401