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13120342422444 = 22321697892146511
BaseRepresentation
bin1011111011101101000101…
…0110010111001110101100
31201110021220020000000001200
42332323101112113032230
53204430430130004234
643523222504205500
72522625213331065
oct276732126271654
951407806000050
1013120342422444
1141a9340283974
12157a988169890
13742320aa48ca
14335056a2556c
1517b45472ad99
hexbeed15973ac

13120342422444 has 36 divisors (see below), whose sum is σ = 33165520795680. Its totient is φ = 4373419678560.

The previous prime is 13120342422433. The next prime is 13120342422461. The reversal of 13120342422444 is 44422424302131.

13120342422444 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 3 + 424 + 224 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13120342422399 and 13120342422408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5039149 + ... + 7185659.

Almost surely, 213120342422444 is an apocalyptic number.

It is an amenable number.

13120342422444 is an abundant number, since it is smaller than the sum of its proper divisors (20045178373236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13120342422444 is a wasteful number, since it uses less digits than its factorization.

13120342422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316310 (or 2316305 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 13120342422444 its reverse (44422424302131), we get a palindrome (57542766724575).

The spelling of 13120342422444 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-two million, four hundred twenty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 169789 339578 509367 679156 1018734 1528101 2037468 2146511 3056202 4293022 6112404 6439533 8586044 12879066 19318599 25758132 38637198 77274396 364453956179 728907912358 1093361868537 1457815824716 2186723737074 3280085605611 4373447474148 6560171211222 13120342422444