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115421454404 = 22197931457857
BaseRepresentation
bin110101101111110100…
…1111010000001000100
3102000220220211101200122
41223133221322001010
53342340343020104
6125005054201112
711224152113654
oct1533751720104
9360826741618
10115421454404
1144a4a447043
121a4524b3198
13ab6576c4a9
14582d232364
15300804e6be
hex1adfa7a044

115421454404 has 12 divisors (see below), whose sum is σ = 201997888764. Its totient is φ = 57707771904.

The previous prime is 115421454373. The next prime is 115421454419. The reversal of 115421454404 is 404454124511.

It can be written as a sum of positive squares in 2 ways, for example, as 78261181504 + 37160272900 = 279752^2 + 192770^2 .

It is a super-2 number, since 2×1154214544042 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649757 + ... + 808100.

It is an arithmetic number, because the mean of its divisors is an integer number (16833157397).

Almost surely, 2115421454404 is an apocalyptic number.

It is an amenable number.

115421454404 is a deficient number, since it is larger than the sum of its proper divisors (86576434360).

115421454404 is a wasteful number, since it uses less digits than its factorization.

115421454404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477654 (or 1477652 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 115421454404 its reverse (404454124511), we get a palindrome (519875578915).

The spelling of 115421454404 in words is "one hundred fifteen billion, four hundred twenty-one million, four hundred fifty-four thousand, four hundred four".

Divisors: 1 2 4 19793 39586 79172 1457857 2915714 5831428 28855363601 57710727202 115421454404