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121030985 = 574332579
BaseRepresentation
bin1110011011011…
…00100101001001
322102202000022002
413031230211021
5221440442420
620002040345
72666514005
oct715544511
9272660262
10121030985
1162356409
12346490b5
131c0c828a
1412107705
15a95b075
hex736c949

121030985 has 8 divisors (see below), whose sum is σ = 145437120. Its totient is φ = 96691504.

The previous prime is 121030981. The next prime is 121030993. The reversal of 121030985 is 589030121.

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 121030985 - 22 = 121030981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (121030981) 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, 12575 + ... + 20004.

It is an arithmetic number, because the mean of its divisors is an integer number (18179640).

Almost surely, 2121030985 is an apocalyptic number.

It is an amenable number.

121030985 is a deficient number, since it is larger than the sum of its proper divisors (24406135).

121030985 is an equidigital number, since it uses as much as digits as its factorization.

121030985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33327.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 121030985 is about 11001.4083189381. The cubic root of 121030985 is about 494.6509595975.

The spelling of 121030985 in words is "one hundred twenty-one million, thirty thousand, nine hundred eighty-five".

Divisors: 1 5 743 3715 32579 162895 24206197 121030985