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121014658 = 2157385397
BaseRepresentation
bin1110011011010…
…00100110000010
322102201011220101
413031220212002
5221434432113
620001433014
72666415262
oct715504602
9272634811
10121014658
1162345116
123463b76a
131c0c0a0b
14121017a2
15a9562dd
hex7368982

121014658 has 8 divisors (see below), whose sum is σ = 182678652. Its totient is φ = 60121776.

The previous prime is 121014637. The next prime is 121014659. The reversal of 121014658 is 856410121.

It can be written as a sum of positive squares in 2 ways, for example, as 116575209 + 4439449 = 10797^2 + 2107^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121014659) 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, 192385 + ... + 193012.

Almost surely, 2121014658 is an apocalyptic number.

121014658 is a deficient number, since it is larger than the sum of its proper divisors (61663994).

121014658 is a wasteful number, since it uses less digits than its factorization.

121014658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385556.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 121014658 is about 11000.6662525503. Note that the first 3 decimals coincide. The cubic root of 121014658 is about 494.6287159013.

Adding to 121014658 its reverse (856410121), we get a palindrome (977424779).

The spelling of 121014658 in words is "one hundred twenty-one million, fourteen thousand, six hundred fifty-eight".

Divisors: 1 2 157 314 385397 770794 60507329 121014658