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1390003202131 = 1781764894243
BaseRepresentation
bin10100001110100010101…
…001011010100001010011
311220212211201020211211221
4110032202221122201103
5140233211304432011
62542320400345511
7202265401162525
oct24164251324123
94825751224757
101390003202131
11496551630075
121a5485315297
13a10cc79b06b
144b3c2a7ba15
15262556d5971
hex143a2a5a853

1390003202131 has 4 divisors (see below), whose sum is σ = 1471768096392. Its totient is φ = 1308238307872.

The previous prime is 1390003202059. The next prime is 1390003202153. The reversal of 1390003202131 is 1312023000931.

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

It is a cyclic number.

It is not a de Polignac number, because 1390003202131 - 233 = 1381413267539 is a prime.

It is a super-2 number, since 2×13900032021312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1390003202096 and 1390003202105.

It is not an unprimeable number, because it can be changed into a prime (1390003205131) 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, 40882447105 + ... + 40882447138.

It is an arithmetic number, because the mean of its divisors is an integer number (367942024098).

Almost surely, 21390003202131 is an apocalyptic number.

1390003202131 is a deficient number, since it is larger than the sum of its proper divisors (81764894261).

1390003202131 is an equidigital number, since it uses as much as digits as its factorization.

1390003202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81764894260.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 1390003202131 in words is "one trillion, three hundred ninety billion, three million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 17 81764894243 1390003202131