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121620796 = 22115352153
BaseRepresentation
bin1110011111111…
…00100100111100
322110211222100221
413033330210330
5222113331141
620022431124
73004521403
oct717744474
9273758327
10121620796
1162719560
12348924a4
131c27388b
141221c63a
15aa25bd1
hex73fc93c

121620796 has 24 divisors (see below), whose sum is σ = 236570544. Its totient is φ = 54238080.

The previous prime is 121620787. The next prime is 121620797. The reversal of 121620796 is 697026121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121620797) 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 7 ways as a sum of consecutive naturals, for example, 23745 + ... + 28408.

It is an arithmetic number, because the mean of its divisors is an integer number (9857106).

Almost surely, 2121620796 is an apocalyptic number.

It is an amenable number.

121620796 is a deficient number, since it is larger than the sum of its proper divisors (114949748).

121620796 is a wasteful number, since it uses less digits than its factorization.

121620796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52221 (or 52219 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 121620796 is about 11028.1818991165. The cubic root of 121620796 is about 495.4531727227.

The spelling of 121620796 in words is "one hundred twenty-one million, six hundred twenty thousand, seven hundred ninety-six".

Divisors: 1 2 4 11 22 44 53 106 212 583 1166 2332 52153 104306 208612 573683 1147366 2294732 2764109 5528218 11056436 30405199 60810398 121620796