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121301984 = 2537102451
BaseRepresentation
bin1110011101011…
…10101111100000
322110020210001002
413032232233200
5222023130414
620011531132
73002023046
oct716565740
9273223032
10121301984
1162520a81
1234759aa8
131c19172b
1412178396
15a9b14de
hex73aebe0

121301984 has 24 divisors (see below), whose sum is σ = 245270088. Its totient is φ = 59011200.

The previous prime is 121301981. The next prime is 121301989. The reversal of 121301984 is 489103121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301981) 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, 50042 + ... + 52409.

It is an arithmetic number, because the mean of its divisors is an integer number (10219587).

Almost surely, 2121301984 is an apocalyptic number.

It is an amenable number.

121301984 is an abundant number, since it is smaller than the sum of its proper divisors (123968104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121301984 is a wasteful number, since it uses less digits than its factorization.

121301984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102498 (or 102490 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 121301984 is about 11013.7179916684. The cubic root of 121301984 is about 495.0198733646.

The spelling of 121301984 in words is "one hundred twenty-one million, three hundred one thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 102451 204902 409804 819608 1639216 3278432 3790687 7581374 15162748 30325496 60650992 121301984