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121485315 = 3571768059
BaseRepresentation
bin1110011110110…
…11100000000011
322110121002112010
413033123200003
5222100012230
620015504003
73003415410
oct717334003
9273532463
10121485315
1162636796
1234828003
131c227003
14121c5107
15a9ea9b0
hex73db803

121485315 has 32 divisors (see below), whose sum is σ = 235215360. Its totient is φ = 52268544.

The previous prime is 121485313. The next prime is 121485317. The reversal of 121485315 is 513584121.

It is an interprime number because it is at equal distance from previous prime (121485313) and next prime (121485317).

It is not a de Polignac number, because 121485315 - 21 = 121485313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121485313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32245 + ... + 35814.

It is an arithmetic number, because the mean of its divisors is an integer number (7350480).

Almost surely, 2121485315 is an apocalyptic number.

121485315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121485315 is a deficient number, since it is larger than the sum of its proper divisors (113730045).

121485315 is a wasteful number, since it uses less digits than its factorization.

121485315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68091.

The product of its digits is 4800, while the sum is 30.

The square root of 121485315 is about 11022.0376972681. The cubic root of 121485315 is about 495.2691322909.

The spelling of 121485315 in words is "one hundred twenty-one million, four hundred eighty-five thousand, three hundred fifteen".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 119 255 357 595 1785 68059 204177 340295 476413 1020885 1157003 1429239 2382065 3471009 5785015 7146195 8099021 17355045 24297063 40495105 121485315