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121308368 = 2412759699
BaseRepresentation
bin1110011101100…
…00010011010000
322110021002210112
413032300103100
5222023331433
620012020452
73002050466
oct716602320
9273232715
10121308368
1162525855
1234761728
131c1945cc
141217a836
15a9b3348
hex73b04d0

121308368 has 20 divisors (see below), whose sum is σ = 236889600. Its totient is φ = 60175584.

The previous prime is 121308367. The next prime is 121308377. The reversal of 121308368 is 863803121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121308367) 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, 27818 + ... + 31881.

It is an arithmetic number, because the mean of its divisors is an integer number (11844480).

Almost surely, 2121308368 is an apocalyptic number.

It is an amenable number.

121308368 is a deficient number, since it is larger than the sum of its proper divisors (115581232).

121308368 is a wasteful number, since it uses less digits than its factorization.

121308368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59834 (or 59828 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 121308368 is about 11014.0078082413. The cubic root of 121308368 is about 495.0285573430.

The spelling of 121308368 in words is "one hundred twenty-one million, three hundred eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 127 254 508 1016 2032 59699 119398 238796 477592 955184 7581773 15163546 30327092 60654184 121308368