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1231421414253 = 32816917692749
BaseRepresentation
bin10001111010110110011…
…011111001101101101101
311100201111212122100010220
4101322312123321231231
5130133422340224003
62341412430321553
7154652525213532
oct21726633715555
94321455570126
101231421414253
11435274315748
1217a7a86592b9
138c1792b8614
144385b65ad89
15220734d9353
hex11eb66f9b6d

1231421414253 has 32 divisors (see below), whose sum is σ = 1652869680000. Its totient is φ = 815483289600.

The previous prime is 1231421414221. The next prime is 1231421414257. The reversal of 1231421414253 is 3524141241321.

It is not a de Polignac number, because 1231421414253 - 25 = 1231421414221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231421414257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447951123 + ... + 447953871.

It is an arithmetic number, because the mean of its divisors is an integer number (51652177500).

Almost surely, 21231421414253 is an apocalyptic number.

It is an amenable number.

1231421414253 is a deficient number, since it is larger than the sum of its proper divisors (421448265747).

1231421414253 is a wasteful number, since it uses less digits than its factorization.

1231421414253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493.

The product of its digits is 23040, while the sum is 33.

Adding to 1231421414253 its reverse (3524141241321), we get a palindrome (4755562655574).

The spelling of 1231421414253 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-one million, four hundred fourteen thousand, two hundred fifty-three".

Divisors: 1 3 281 691 769 843 2073 2307 2749 8247 194171 216089 531379 582513 648267 772469 1594137 1899559 2113981 2317407 5698677 6341943 149317499 447952497 533776079 594028661 1460760871 1601328237 1782085983 4382282613 410473804751 1231421414253