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126989110 = 2512698911
BaseRepresentation
bin1111001000110…
…11001100110110
322211221201022101
413210123030312
5230002122420
620333452314
73101250433
oct744331466
9284851271
10126989110
1165755886
123664109a
13204031b1
1412c18b8a
15b23660a
hex791b336

126989110 has 8 divisors (see below), whose sum is σ = 228580416. Its totient is φ = 50795640.

The previous prime is 126989101. The next prime is 126989117. The reversal of 126989110 is 11989621.

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

It is a super-2 number, since 2×1269891102 = 32252468117184200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126989110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126989117) 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, 6349446 + ... + 6349465.

It is an arithmetic number, because the mean of its divisors is an integer number (28572552).

Almost surely, 2126989110 is an apocalyptic number.

126989110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126989110 is a deficient number, since it is larger than the sum of its proper divisors (101591306).

126989110 is a wasteful number, since it uses less digits than its factorization.

126989110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698918.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 126989110 is about 11268.9444936072. The cubic root of 126989110 is about 502.6382019646.

The spelling of 126989110 in words is "one hundred twenty-six million, nine hundred eighty-nine thousand, one hundred ten".

Divisors: 1 2 5 10 12698911 25397822 63494555 126989110