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126360061 = 3119121341
BaseRepresentation
bin1111000100000…
…01100111111101
322210202202102021
413202001213331
5224322010221
620312200141
73063020452
oct742014775
9283682367
10126360061
1165366203
1236399051
1320242a89
1412ad3829
15b160041
hex78819fd

126360061 has 8 divisors (see below), whose sum is σ = 131125248. Its totient is φ = 121638000.

The previous prime is 126360041. The next prime is 126360067. The reversal of 126360061 is 160063621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126360061 - 29 = 126359549 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 (126360067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750 + ... + 16591.

It is an arithmetic number, because the mean of its divisors is an integer number (16390656).

Almost surely, 2126360061 is an apocalyptic number.

It is an amenable number.

126360061 is a deficient number, since it is larger than the sum of its proper divisors (4765187).

126360061 is a wasteful number, since it uses less digits than its factorization.

126360061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21563.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 126360061 is about 11240.9991103994. Note that the first 3 decimals coincide. The cubic root of 126360061 is about 501.8068771908.

The spelling of 126360061 in words is "one hundred twenty-six million, three hundred sixty thousand, sixty-one".

Divisors: 1 31 191 5921 21341 661571 4076131 126360061