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1973070819 = 358119633
BaseRepresentation
bin111010110011010…
…1010101111100011
312002111200101100000
41311212222233203
513020101231234
6523441431043
766615553026
oct16546525743
95074611300
101973070819
11922824345
1247093b483
13255a09035
1414a0891bd
15b8343899
hex759aabe3

1973070819 has 12 divisors (see below), whose sum is σ = 2955546776. Its totient is φ = 1315380384.

The previous prime is 1973070817. The next prime is 1973070833. The reversal of 1973070819 is 9180703791.

It is not a de Polignac number, because 1973070819 - 21 = 1973070817 is a prime.

It is a super-2 number, since 2×19730708192 = 7786016913578661522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1973070811) 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, 4059574 + ... + 4060059.

Almost surely, 21973070819 is an apocalyptic number.

1973070819 is a deficient number, since it is larger than the sum of its proper divisors (982475957).

1973070819 is an frugal number, since it uses more digits than its factorization.

1973070819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119648 (or 8119636 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 1973070819 is about 44419.2618016103. The cubic root of 1973070819 is about 1254.2407049213.

The spelling of 1973070819 in words is "one billion, nine hundred seventy-three million, seventy thousand, eight hundred nineteen".

Divisors: 1 3 9 27 81 243 8119633 24358899 73076697 219230091 657690273 1973070819