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2444331402121 = 72115811430739
BaseRepresentation
bin100011100100011101100…
…000010100001110001001
322122200020122202210011011
4203210131200110032021
5310021442314331441
65110524345003521
7341411545051300
oct43443540241611
98580218683134
102444331402121
118626a93977a4
123358897835a1
1314966541a6ab
148644059d437
15438b1796581
hex2391d814389

2444331402121 has 12 divisors (see below), whose sum is σ = 2843437070160. Its totient is φ = 2095118246760.

The previous prime is 2444331402113. The next prime is 2444331402133. The reversal of 2444331402121 is 1212041334442.

It is a happy number.

It is not a de Polignac number, because 2444331402121 - 23 = 2444331402113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444331402151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5459370 + ... + 5890108.

It is an arithmetic number, because the mean of its divisors is an integer number (236953089180).

Almost surely, 22444331402121 is an apocalyptic number.

It is an amenable number.

2444331402121 is a deficient number, since it is larger than the sum of its proper divisors (399105668039).

2444331402121 is a wasteful number, since it uses less digits than its factorization.

2444331402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546564 (or 546557 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2444331402121 its reverse (1212041334442), we get a palindrome (3656372736563).

The spelling of 2444331402121 in words is "two trillion, four hundred forty-four billion, three hundred thirty-one million, four hundred two thousand, one hundred twenty-one".

Divisors: 1 7 49 115811 430739 810677 3015173 5674739 21106211 49884314329 349190200303 2444331402121