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27885401352 = 23323710467493
BaseRepresentation
bin11001111110000110…
…010111010100001000
32122222101022011100200
4121332012113110020
5424102130320402
620451012532200
72005012000134
oct317606272410
978871264320
1027885401352
111090a644846
1254a2921060
1328252654b3
1414c767c3c4
15ad317b21c
hex67e197508

27885401352 has 48 divisors (see below), whose sum is σ = 77564130540. Its totient is φ = 9043913088.

The previous prime is 27885401351. The next prime is 27885401399. The reversal of 27885401352 is 25310458872.

27885401352 is a `hidden beast` number, since 2 + 78 + 8 + 540 + 1 + 35 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27844261956 + 41139396 = 166866^2 + 6414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27885401298 and 27885401307.

It is not an unprimeable number, because it can be changed into a prime (27885401351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5231083 + ... + 5236410.

Almost surely, 227885401352 is an apocalyptic number.

It is an amenable number.

27885401352 is an abundant number, since it is smaller than the sum of its proper divisors (49678729188).

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

27885401352 is a wasteful number, since it uses less digits than its factorization.

27885401352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467542 (or 10467535 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 27885401352 in words is "twenty-seven billion, eight hundred eighty-five million, four hundred one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 10467493 20934986 31402479 41869972 62804958 83739944 94207437 125609916 188414874 251219832 376829748 387297241 753659496 774594482 1161891723 1549188964 2323783446 3098377928 3485675169 4647566892 6971350338 9295133784 13942700676 27885401352