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1032121021021 = 1309978793879
BaseRepresentation
bin11110000010011110011…
…01001111001001011101
310122200002021210100201021
433001033031033021131
5113402240440133041
62110052211244141
7134365630632436
oct17011715171135
93580067710637
101032121021021
113687a1455462
121480472a9651
1376436bcb85c
1437d5245048d
151bcab6aacd1
hexf04f34f25d

1032121021021 has 4 divisors (see below), whose sum is σ = 1032199828000. Its totient is φ = 1032042214044.

The previous prime is 1032121021003. The next prime is 1032121021031. The reversal of 1032121021021 is 1201201212301.

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 1032121021021 - 29 = 1032121020509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1032121020986 and 1032121021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032121021031) 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, 39383841 + ... + 39410038.

It is an arithmetic number, because the mean of its divisors is an integer number (258049957000).

Almost surely, 21032121021021 is an apocalyptic number.

It is an amenable number.

1032121021021 is a deficient number, since it is larger than the sum of its proper divisors (78806979).

1032121021021 is an equidigital number, since it uses as much as digits as its factorization.

1032121021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78806978.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1032121021021 its reverse (1201201212301), we get a palindrome (2233322233322).

The spelling of 1032121021021 in words is "one trillion, thirty-two billion, one hundred twenty-one million, twenty-one thousand, twenty-one".

Divisors: 1 13099 78793879 1032121021021