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21400211230413 = 39284537683107
BaseRepresentation
bin1001101110110100111111…
…11111010000111011001101
32210202211200111220220210020
410313122133333100323031
510301110113033333123
6113303042112132353
74336054120062021
oct467323777207315
983684614826706
1021400211230413
116900862378914
1224976075370b9
13bc30538a7802
1453dac0930381
15271a0681c7e3
hex13769ffd0ecd

21400211230413 has 8 divisors (see below), whose sum is σ = 28533649420128. Its totient is φ = 14266790263824.

The previous prime is 21400211230361. The next prime is 21400211230423. The reversal of 21400211230413 is 31403211200412.

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

It is not a de Polignac number, because 21400211230413 - 214 = 21400211214029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21400211230423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056195 + ... + 6626912.

It is an arithmetic number, because the mean of its divisors is an integer number (3566706177516).

Almost surely, 221400211230413 is an apocalyptic number.

It is an amenable number.

21400211230413 is a deficient number, since it is larger than the sum of its proper divisors (7133438189715).

21400211230413 is an equidigital number, since it uses as much as digits as its factorization.

21400211230413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611563.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21400211230413 its reverse (31403211200412), we get a palindrome (52803422430825).

The spelling of 21400211230413 in words is "twenty-one trillion, four hundred billion, two hundred eleven million, two hundred thirty thousand, four hundred thirteen".

Divisors: 1 3 928453 2785359 7683107 23049321 7133403743471 21400211230413