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30240121210 = 25132111102447
BaseRepresentation
bin11100001010011100…
…111010000101111010
32220001111010022202021
4130022130322011322
5443412432334320
621520410425054
72120243534455
oct341234720572
986044108667
1030240121210
111190883a712
125a3b43218a
132b0c059160
14166c2b249c
15bbec5adaa
hex70a73a17a

30240121210 has 32 divisors (see below), whose sum is σ = 58897181952. Its totient is φ = 11112655680.

The previous prime is 30240121189. The next prime is 30240121243. The reversal of 30240121210 is 1212104203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523794 + ... + 578653.

It is an arithmetic number, because the mean of its divisors is an integer number (1840536936).

Almost surely, 230240121210 is an apocalyptic number.

30240121210 is a deficient number, since it is larger than the sum of its proper divisors (28657060742).

30240121210 is a wasteful number, since it uses less digits than its factorization.

30240121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102678.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30240121210 its reverse (1212104203), we get a palindrome (31452225413).

The spelling of 30240121210 in words is "thirty billion, two hundred forty million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 211 422 1055 2110 2743 5486 13715 27430 1102447 2204894 5512235 11024470 14331811 28663622 71659055 143318110 232616317 465232634 1163081585 2326163170 3024012121 6048024242 15120060605 30240121210