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121321694 = 2134666219
BaseRepresentation
bin1110011101100…
…11100011011110
322110021210002002
413032303203132
5222024243234
620012202302
73002134364
oct716634336
9273253062
10121321694
116253486a
1234769392
131c19a6b0
1412181634
15a9b727e
hex73b38de

121321694 has 8 divisors (see below), whose sum is σ = 195981240. Its totient is φ = 55994616.

The previous prime is 121321691. The next prime is 121321723. The reversal of 121321694 is 496123121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121321691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333084 + ... + 2333135.

It is an arithmetic number, because the mean of its divisors is an integer number (24497655).

Almost surely, 2121321694 is an apocalyptic number.

121321694 is a deficient number, since it is larger than the sum of its proper divisors (74659546).

121321694 is a wasteful number, since it uses less digits than its factorization.

121321694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666234.

The product of its digits is 2592, while the sum is 29.

The square root of 121321694 is about 11014.6127485264. The cubic root of 121321694 is about 495.0466833501.

The spelling of 121321694 in words is "one hundred twenty-one million, three hundred twenty-one thousand, six hundred ninety-four".

Divisors: 1 2 13 26 4666219 9332438 60660847 121321694