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27438407470 = 254027681361
BaseRepresentation
bin11001100011011101…
…001101111100101110
32121211020012112000201
4121203131031330232
5422143213014340
620334404144114
71660643421025
oct314335157456
977736175021
1027438407470
11107002a1711
12539909803a
13278377bb86
1414841638bc
15aa8cd379a
hex66374df2e

27438407470 has 16 divisors (see below), whose sum is σ = 49401470448. Its totient is φ = 10972621440.

The previous prime is 27438407459. The next prime is 27438407483. The reversal of 27438407470 is 7470483472.

It is a self number, because there is not a number n which added to its sum of digits gives 27438407470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300411 + ... + 380950.

It is an arithmetic number, because the mean of its divisors is an integer number (3087591903).

Almost surely, 227438407470 is an apocalyptic number.

27438407470 is a deficient number, since it is larger than the sum of its proper divisors (21963062978).

27438407470 is a wasteful number, since it uses less digits than its factorization.

27438407470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685395.

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 27438407470 in words is "twenty-seven billion, four hundred thirty-eight million, four hundred seven thousand, four hundred seventy".

Divisors: 1 2 5 10 4027 8054 20135 40270 681361 1362722 3406805 6813610 2743840747 5487681494 13719203735 27438407470