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2151130520253 = 311135014290257
BaseRepresentation
bin11111010011011001010…
…111101101101010111101
321121122102222120202002010
4133103121113231222331
5240221003403122003
64324114332321433
7311262006505521
oct37233127555275
97548388522063
102151130520253
1175a32010a5a0
122a8aa1313279
13127b0a0bc210
1476188445d81
153ae50e71003
hex1f4d95edabd

2151130520253 has 16 divisors (see below), whose sum is σ = 3369603053376. Its totient is φ = 1203429661440.

The previous prime is 2151130520249. The next prime is 2151130520281. The reversal of 2151130520253 is 3520250311512.

It is not a de Polignac number, because 2151130520253 - 22 = 2151130520249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151130520253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151130520213) 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, 2507144700 + ... + 2507145557.

It is an arithmetic number, because the mean of its divisors is an integer number (210600190836).

Almost surely, 22151130520253 is an apocalyptic number.

It is an amenable number.

2151130520253 is a deficient number, since it is larger than the sum of its proper divisors (1218472533123).

2151130520253 is a wasteful number, since it uses less digits than its factorization.

2151130520253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014290284.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 2151130520253 its reverse (3520250311512), we get a palindrome (5671380831765).

The spelling of 2151130520253 in words is "two trillion, one hundred fifty-one billion, one hundred thirty million, five hundred twenty thousand, two hundred fifty-three".

Divisors: 1 3 11 13 33 39 143 429 5014290257 15042870771 55157192827 65185773341 165471578481 195557320023 717043506751 2151130520253