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126713770 = 2512671377
BaseRepresentation
bin1111000110101…
…11111110101010
322211102201121121
413203113332222
5224414320040
620323525454
73066022621
oct743277652
9284381547
10126713770
1165587a27
123652988a
1320337a81
1412b866b8
15b1cec4a
hex78d7faa

126713770 has 8 divisors (see below), whose sum is σ = 228084804. Its totient is φ = 50685504.

The previous prime is 126713711. The next prime is 126713777. The reversal of 126713770 is 77317621.

It can be written as a sum of positive squares in 2 ways, for example, as 107765161 + 18948609 = 10381^2 + 4353^2 .

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

It is a super-2 number, since 2×1267137702 = 32112759015225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126713777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6335679 + ... + 6335698.

Almost surely, 2126713770 is an apocalyptic number.

126713770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126713770 is a deficient number, since it is larger than the sum of its proper divisors (101371034).

126713770 is a wasteful number, since it uses less digits than its factorization.

126713770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12671384.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 126713770 is about 11256.7211034120. The cubic root of 126713770 is about 502.2746627926.

The spelling of 126713770 in words is "one hundred twenty-six million, seven hundred thirteen thousand, seven hundred seventy".

Divisors: 1 2 5 10 12671377 25342754 63356885 126713770