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19975941742716 = 22324871139398913
BaseRepresentation
bin1001000101011000000101…
…11010010110000001111100
32121201200101201121101222200
410202230002322112001330
510104241212041231331
6110252453154111500
74131133313143041
oct442540272260174
977650351541880
1019975941742716
116401827384283
1222a757a57b590
13b1b952bcaa3b
144d0baadb91c8
15249947bd85e6
hex122b02e9607c

19975941742716 has 36 divisors (see below), whose sum is σ = 50598426972912. Its totient is φ = 6644974454784.

The previous prime is 19975941742711. The next prime is 19975941742733. The reversal of 19975941742716 is 61724714957991.

It is a happy number.

19975941742716 is a `hidden beast` number, since 1 + 9 + 9 + 7 + 594 + 1 + 7 + 4 + 27 + 1 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19975941742711) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 569681925 + ... + 569716988.

Almost surely, 219975941742716 is an apocalyptic number.

It is an amenable number.

19975941742716 is an abundant number, since it is smaller than the sum of its proper divisors (30622485230196).

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

19975941742716 is a wasteful number, since it uses less digits than its factorization.

19975941742716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139399410 (or 1139399405 counting only the distinct ones).

The product of its digits is 240045120, while the sum is 72.

The spelling of 19975941742716 in words is "nineteen trillion, nine hundred seventy-five billion, nine hundred forty-one million, seven hundred forty-two thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 487 974 1461 1948 2922 4383 5844 8766 17532 1139398913 2278797826 3418196739 4557595652 6836393478 10254590217 13672786956 20509180434 41018360868 554887270631 1109774541262 1664661811893 2219549082524 3329323623786 4993985435679 6658647247572 9987970871358 19975941742716