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121253434 = 261997943
BaseRepresentation
bin1110011101000…
…10111000111010
322110011022102221
413032202320322
5222020102214
620010514254
73001431361
oct716427072
9273138387
10121253434
1162498555
123473598a
131c1755c3
14121647d8
15a9a1e24
hex73a2e3a

121253434 has 8 divisors (see below), whose sum is σ = 182175840. Its totient is φ = 60528156.

The previous prime is 121253417. The next prime is 121253443. The reversal of 121253434 is 434352121.

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 = 121253399 and 121253408.

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, 47734 + ... + 50209.

It is an arithmetic number, because the mean of its divisors is an integer number (22771980).

Almost surely, 2121253434 is an apocalyptic number.

121253434 is a deficient number, since it is larger than the sum of its proper divisors (60922406).

121253434 is an equidigital number, since it uses as much as digits as its factorization.

121253434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98564.

The product of its digits is 2880, while the sum is 25.

The square root of 121253434 is about 11011.5137015762. The cubic root of 121253434 is about 494.9538221726.

The spelling of 121253434 in words is "one hundred twenty-one million, two hundred fifty-three thousand, four hundred thirty-four".

Divisors: 1 2 619 1238 97943 195886 60626717 121253434