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126772130 = 2512677213
BaseRepresentation
bin1111000111001…
…10001110100010
322211112200200002
413203212032202
5224423202010
620325100002
73066355022
oct743461642
9284480602
10126772130
1165617861
1236557602
13203584c4
1412b9da82
15b1e21a5
hex78e63a2

126772130 has 8 divisors (see below), whose sum is σ = 228189852. Its totient is φ = 50708848.

The previous prime is 126772057. The next prime is 126772141. The reversal of 126772130 is 31277621.

It can be written as a sum of positive squares in 2 ways, for example, as 117267241 + 9504889 = 10829^2 + 3083^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 126772093 and 126772102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6338597 + ... + 6338616.

Almost surely, 2126772130 is an apocalyptic number.

126772130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126772130 is a deficient number, since it is larger than the sum of its proper divisors (101417722).

126772130 is a wasteful number, since it uses less digits than its factorization.

126772130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12677220.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 126772130 is about 11259.3130341065. The cubic root of 126772130 is about 502.3517610967.

The spelling of 126772130 in words is "one hundred twenty-six million, seven hundred seventy-two thousand, one hundred thirty".

Divisors: 1 2 5 10 12677213 25354426 63386065 126772130