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1305450031342 = 2672613237203
BaseRepresentation
bin10010111111110010111…
…000101010100011101110
311121210121001112201201211
4102333302320222203232
5132342030202000332
62435414312425034
7163213161115522
oct22776270524356
94553531481654
101305450031342
11463702567426
121910086a817a
1396146264062
1447281315d82
1523e57624447
hex12ff2e2a8ee

1305450031342 has 24 divisors (see below), whose sum is σ = 1991088952776. Its totient is φ = 641931233328.

The previous prime is 1305450031331. The next prime is 1305450031349. The reversal of 1305450031342 is 2431300545031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305450031349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5384913 + ... + 5622115.

It is an arithmetic number, because the mean of its divisors is an integer number (82962039699).

Almost surely, 21305450031342 is an apocalyptic number.

1305450031342 is a deficient number, since it is larger than the sum of its proper divisors (685638921434).

1305450031342 is an equidigital number, since it uses as much as digits as its factorization.

1305450031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237952 (or 237885 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 1305450031342 its reverse (2431300545031), we get a palindrome (3736750576373).

The spelling of 1305450031342 in words is "one trillion, three hundred five billion, four hundred fifty million, thirty-one thousand, three hundred forty-two".

Divisors: 1 2 67 134 613 1226 4489 8978 41071 82142 237203 474406 2751757 5503514 15892601 31785202 145405439 290810878 1064804267 2129608534 9742164413 19484328826 652725015671 1305450031342