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121488069 = 3172382119
BaseRepresentation
bin1110011110111…
…00001011000101
322110121020022010
413033130023011
5222100104234
620015524433
73003426423
oct717341305
9273536263
10121488069
116263886a
1234829719
131c228341
14121c6113
15a9eb6e9
hex73dc2c5

121488069 has 8 divisors (see below), whose sum is σ = 171512640. Its totient is φ = 76227776.

The previous prime is 121488061. The next prime is 121488079. The reversal of 121488069 is 960884121.

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

It is a cyclic number.

It is not a de Polignac number, because 121488069 - 23 = 121488061 is a prime.

It is a super-2 number, since 2×1214880692 = 29518701818697522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121488061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191009 + ... + 1191110.

It is an arithmetic number, because the mean of its divisors is an integer number (21439080).

Almost surely, 2121488069 is an apocalyptic number.

It is an amenable number.

121488069 is a deficient number, since it is larger than the sum of its proper divisors (50024571).

121488069 is a wasteful number, since it uses less digits than its factorization.

121488069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382139.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 121488069 is about 11022.1626280871. The cubic root of 121488069 is about 495.2728747484.

The spelling of 121488069 in words is "one hundred twenty-one million, four hundred eighty-eight thousand, sixty-nine".

Divisors: 1 3 17 51 2382119 7146357 40496023 121488069