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1002014124421 = 5487718259273
BaseRepresentation
bin11101001010011001011…
…00100010100110000101
310112210101002100112202211
432211030230202212011
5112404111103440141
62044152520103421
7132251562345622
oct16451454424605
93483332315684
101002014124421
11356a5193a432
12142244604b71
1373649649b3b
14366d7b3b349
151b0e84b8d81
hexe94cb22985

1002014124421 has 4 divisors (see below), whose sum is σ = 1002032438572. Its totient is φ = 1001995810272.

The previous prime is 1002014124409. The next prime is 1002014124427. The reversal of 1002014124421 is 1244214102001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 991956240900 + 10057883521 = 995970^2 + 100289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002014124421 - 223 = 1002005735813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002014124392 and 1002014124401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002014124427) 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, 9074760 + ... + 9184513.

It is an arithmetic number, because the mean of its divisors is an integer number (250508109643).

Almost surely, 21002014124421 is an apocalyptic number.

It is an amenable number.

1002014124421 is a deficient number, since it is larger than the sum of its proper divisors (18314151).

1002014124421 is an equidigital number, since it uses as much as digits as its factorization.

1002014124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18314150.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1002014124421 its reverse (1244214102001), we get a palindrome (2246228226422).

The spelling of 1002014124421 in words is "one trillion, two billion, fourteen million, one hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 54877 18259273 1002014124421