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11205757261420 = 225560287863071
BaseRepresentation
bin1010001100010000101100…
…1011100101011001101100
31110200021000111020112202021
42203010023023211121230
52432043342324331140
635455504231435524
72234406053066131
oct243041313453154
943607014215667
1011205757261420
1136303759278a7
12130b901525ba4
1363391043c797
142aa50c11a588
1514674a2b8b4a
hexa310b2e566c

11205757261420 has 12 divisors (see below), whose sum is σ = 23532090249024. Its totient is φ = 4482302904560.

The previous prime is 11205757261409. The next prime is 11205757261427. The reversal of 11205757261420 is 2416275750211.

It is not an unprimeable number, because it can be changed into a prime (11205757261427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280143931516 + ... + 280143931555.

It is an arithmetic number, because the mean of its divisors is an integer number (1961007520752).

Almost surely, 211205757261420 is an apocalyptic number.

11205757261420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11205757261420 is an abundant number, since it is smaller than the sum of its proper divisors (12326332987604).

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

11205757261420 is a wasteful number, since it uses less digits than its factorization.

11205757261420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560287863080 (or 560287863078 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 11205757261420 in words is "eleven trillion, two hundred five billion, seven hundred fifty-seven million, two hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 560287863071 1120575726142 2241151452284 2801439315355 5602878630710 11205757261420