Search a number
-
+
1220122009973 = 10739217290767
BaseRepresentation
bin10001110000010100111…
…100000110000101110101
311022122100101211010110002
4101300110330012011311
5124442302213304343
62332303305041045
7154102521652106
oct21602474060565
94278311733402
101220122009973
114304a607aaa9
12178574486185
138b098341399
14430a8ad03ad
1521b115078b8
hex11c14f06175

1220122009973 has 8 divisors (see below), whose sum is σ = 1231560657792. Its totient is φ = 1208684022336.

The previous prime is 1220122009969. The next prime is 1220122009987. The reversal of 1220122009973 is 3799002210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220122009973 - 22 = 1220122009969 is a prime.

It is a super-2 number, since 2×12201220099732 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220122009273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050836 + ... + 4341602.

It is an arithmetic number, because the mean of its divisors is an integer number (153945082224).

Almost surely, 21220122009973 is an apocalyptic number.

It is an amenable number.

1220122009973 is a deficient number, since it is larger than the sum of its proper divisors (11438647819).

1220122009973 is a wasteful number, since it uses less digits than its factorization.

1220122009973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330091.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 1220122009973 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, nine thousand, nine hundred seventy-three".

Divisors: 1 107 39217 290767 4196219 31112069 11403009439 1220122009973