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121309414 = 2193192353
BaseRepresentation
bin1110011101100…
…00100011100110
322110021011020021
413032300203212
5222023400124
620012025354
73002053522
oct716604346
9273234207
10121309414
1162526616
123476225a
131c194c25
141217ad82
15a9b37e4
hex73b08e6

121309414 has 8 divisors (see below), whose sum is σ = 191541240. Its totient is φ = 57462336.

The previous prime is 121309411. The next prime is 121309439. The reversal of 121309414 is 414903121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121309411) 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, 1596139 + ... + 1596214.

It is an arithmetic number, because the mean of its divisors is an integer number (23942655).

Almost surely, 2121309414 is an apocalyptic number.

121309414 is a deficient number, since it is larger than the sum of its proper divisors (70231826).

121309414 is a wasteful number, since it uses less digits than its factorization.

121309414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192374.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 121309414 is about 11014.0552931243. The cubic root of 121309414 is about 495.0299801588.

The spelling of 121309414 in words is "one hundred twenty-one million, three hundred nine thousand, four hundred fourteen".

Divisors: 1 2 19 38 3192353 6384706 60654707 121309414