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115568406461 = 4114934915419
BaseRepresentation
bin110101110100001101…
…0011110111110111101
3102001022011100100000102
41223220122132332331
53343141003001321
6125031424010445
711230615150424
oct1535032367675
9361264310012
10115568406461
1145015397322
121a493760a25
13ab8a041c81
1458449662bb
153015dcac0b
hex1ae869efbd

115568406461 has 16 divisors (see below), whose sum is σ = 119237832000. Its totient is φ = 111940214400.

The previous prime is 115568406451. The next prime is 115568406467. The reversal of 115568406461 is 164604865511.

It is a cyclic number.

It is not a de Polignac number, because 115568406461 - 26 = 115568406397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115568406467) 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, 21323810 + ... + 21329228.

It is an arithmetic number, because the mean of its divisors is an integer number (7452364500).

Almost surely, 2115568406461 is an apocalyptic number.

It is an amenable number.

115568406461 is a deficient number, since it is larger than the sum of its proper divisors (3669425539).

115568406461 is a wasteful number, since it uses less digits than its factorization.

115568406461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 115568406461 in words is "one hundred fifteen billion, five hundred sixty-eight million, four hundred six thousand, four hundred sixty-one".

Divisors: 1 41 149 3491 5419 6109 143131 222179 520159 807431 18917729 21326519 33104671 775626889 2818741621 115568406461