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121115485 = 524223097
BaseRepresentation
bin1110011100000…
…01001101011101
322102220022012201
413032001031131
5222001143420
620003531501
73000315241
oct716011535
9272808181
10121115485
1162403947
1234689b91
131c12788a
141212a421
15a97610a
hex738135d

121115485 has 4 divisors (see below), whose sum is σ = 145338588. Its totient is φ = 96892384.

The previous prime is 121115479. The next prime is 121115503. The reversal of 121115485 is 584511121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48149721 + 72965764 = 6939^2 + 8542^2 .

It is a cyclic number.

It is not a de Polignac number, because 121115485 - 211 = 121113437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12111544 + ... + 12111553.

It is an arithmetic number, because the mean of its divisors is an integer number (36334647).

Almost surely, 2121115485 is an apocalyptic number.

It is an amenable number.

121115485 is a deficient number, since it is larger than the sum of its proper divisors (24223103).

121115485 is an equidigital number, since it uses as much as digits as its factorization.

121115485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223102.

The product of its digits is 1600, while the sum is 28.

The square root of 121115485 is about 11005.2480662637. The cubic root of 121115485 is about 494.7660493616.

The spelling of 121115485 in words is "one hundred twenty-one million, one hundred fifteen thousand, four hundred eighty-five".

Divisors: 1 5 24223097 121115485