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121030323 = 3195340063
BaseRepresentation
bin1110011011011…
…00011010110011
322102201222101120
413031230122303
5221440432243
620002033323
72666512041
oct715543263
9272658346
10121030323
1162355967
1234648843
131c0c7b9b
1412107391
15a95ac83
hex736c6b3

121030323 has 16 divisors (see below), whose sum is σ = 173076480. Its totient is φ = 74996064.

The previous prime is 121030309. The next prime is 121030331. The reversal of 121030323 is 323030121.

It is not a de Polignac number, because 121030323 - 24 = 121030307 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 (121030333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17011 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (10817280).

Almost surely, 2121030323 is an apocalyptic number.

121030323 is a deficient number, since it is larger than the sum of its proper divisors (52046157).

121030323 is a wasteful number, since it uses less digits than its factorization.

121030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40138.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 121030323 is about 11001.3782318399. The cubic root of 121030323 is about 494.6500577361.

Adding to 121030323 its reverse (323030121), we get a palindrome (444060444).

The spelling of 121030323 in words is "one hundred twenty-one million, thirty thousand, three hundred twenty-three".

Divisors: 1 3 19 53 57 159 1007 3021 40063 120189 761197 2123339 2283591 6370017 40343441 121030323