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11409454705 = 511227913853
BaseRepresentation
bin10101010000000111…
…00111011001110001
31002110010220100111111
422220003213121301
5141331310022310
65124052113321
7552510523225
oct125003473161
932403810444
1011409454705
114925381210
122265005841
1310ca9c953c
147a3416785
1546b9be28a
hex2a80e7671

11409454705 has 16 divisors (see below), whose sum is σ = 15001827264. Its totient is φ = 8261222080.

The previous prime is 11409454699. The next prime is 11409454709. The reversal of 11409454705 is 50745490411.

It is a happy number.

It is not a de Polignac number, because 11409454705 - 27 = 11409454577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11409454709) 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, 444442 + ... + 469411.

It is an arithmetic number, because the mean of its divisors is an integer number (937614204).

Almost surely, 211409454705 is an apocalyptic number.

It is an amenable number.

11409454705 is a deficient number, since it is larger than the sum of its proper divisors (3592372559).

11409454705 is a wasteful number, since it uses less digits than its factorization.

11409454705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914096.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 11409454705 in words is "eleven billion, four hundred nine million, four hundred fifty-four thousand, seven hundred five".

Divisors: 1 5 11 55 227 1135 2497 12485 913853 4569265 10052383 50261915 207444631 1037223155 2281890941 11409454705