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1300212525421 = 4394621964081
BaseRepresentation
bin10010111010111010101…
…101001010100101101101
311121022002001020212022001
4102322322231022211231
5132300313401303141
62433150454452301
7162636323054125
oct22727255124555
94538061225261
101300212525421
1146146508a737
1218bba6664091
13957c0148924
1446d058abc85
1523c4c905a31
hex12ebab4a96d

1300212525421 has 8 divisors (see below), whose sum is σ = 1303222817600. Its totient is φ = 1297202454720.

The previous prime is 1300212525377. The next prime is 1300212525449. The reversal of 1300212525421 is 1245252120031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300212525421 - 29 = 1300212524909 is a prime.

It is a super-2 number, since 2×13002125254212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300212525421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300212535421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20258101 + ... + 20322181.

It is an arithmetic number, because the mean of its divisors is an integer number (162902852200).

Almost surely, 21300212525421 is an apocalyptic number.

It is an amenable number.

1300212525421 is a deficient number, since it is larger than the sum of its proper divisors (3010292179).

1300212525421 is an equidigital number, since it uses as much as digits as its factorization.

1300212525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110739.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1300212525421 its reverse (1245252120031), we get a palindrome (2545464645452).

The spelling of 1300212525421 in words is "one trillion, three hundred billion, two hundred twelve million, five hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 439 46219 64081 20290141 28131559 2961759739 1300212525421