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2430124121 = 19912211679
BaseRepresentation
bin1001000011011000…
…1100000001011001
320021100201002121002
42100312030001121
514434102432441
61041045554345
7114135466655
oct22066140131
96240632532
102430124121
111037818247
12579a159b5
132c9605289
14190a61a65
15e3526b9b
hex90d8c059

2430124121 has 4 divisors (see below), whose sum is σ = 2442336000. Its totient is φ = 2417912244.

The previous prime is 2430124117. The next prime is 2430124139. The reversal of 2430124121 is 1214210342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2430124121 - 22 = 2430124117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430124093 and 2430124102.

It is not an unprimeable number, because it can be changed into a prime (2430124141) 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, 6105641 + ... + 6106038.

It is an arithmetic number, because the mean of its divisors is an integer number (610584000).

Almost surely, 22430124121 is an apocalyptic number.

It is an amenable number.

2430124121 is a deficient number, since it is larger than the sum of its proper divisors (12211879).

2430124121 is a wasteful number, since it uses less digits than its factorization.

2430124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12211878.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2430124121 is about 49296.2891199733. The cubic root of 2430124121 is about 1344.4443139658. Note that the first 3 decimals are identical.

Adding to 2430124121 its reverse (1214210342), we get a palindrome (3644334463).

The spelling of 2430124121 in words is "two billion, four hundred thirty million, one hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 199 12211679 2430124121