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121752026 = 21127719979
BaseRepresentation
bin1110100000111…
…00100111011010
322111002122101022
413100130213122
5222132031101
620025322442
73005606114
oct720344732
9274078338
10121752026
11627a9110
1234936422
131c2bb526
14122543b4
15aa4ea1b
hex741c9da

121752026 has 16 divisors (see below), whose sum is σ = 199959840. Its totient is φ = 55139280.

The previous prime is 121752017. The next prime is 121752031. The reversal of 121752026 is 620257121.

It is a junction number, because it is equal to n+sod(n) for n = 121751986 and 121752004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3896 + ... + 16083.

It is an arithmetic number, because the mean of its divisors is an integer number (12497490).

Almost surely, 2121752026 is an apocalyptic number.

121752026 is a deficient number, since it is larger than the sum of its proper divisors (78207814).

121752026 is a wasteful number, since it uses less digits than its factorization.

121752026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20269.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 121752026 is about 11034.1300517984. The cubic root of 121752026 is about 495.6313082359.

The spelling of 121752026 in words is "one hundred twenty-one million, seven hundred fifty-two thousand, twenty-six".

Divisors: 1 2 11 22 277 554 3047 6094 19979 39958 219769 439538 5534183 11068366 60876013 121752026