Search a number
-
+
120423044131 = 1334739316791
BaseRepresentation
bin111000000100111000…
…1011101010000100011
3102111211111012110221121
41300021301131100203
53433111244403011
6131153243433111
711462123662135
oct1601161352043
9374744173847
10120423044131
114708673a475
121b409525797
13b481a36840
145b855c9055
1531ec1bbe71
hex1c09c5d423

120423044131 has 16 divisors (see below), whose sum is σ = 130112333568. Its totient is φ = 110794874400.

The previous prime is 120423044113. The next prime is 120423044141. The reversal of 120423044131 is 131440324021.

It is a cyclic number.

It is not a de Polignac number, because 120423044131 - 215 = 120423011363 is a prime.

It is a super-2 number, since 2×1204230441312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120423044096 and 120423044105.

It is not an unprimeable number, because it can be changed into a prime (120423044141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17729346 + ... + 17736136.

It is an arithmetic number, because the mean of its divisors is an integer number (8132020848).

Almost surely, 2120423044131 is an apocalyptic number.

120423044131 is a deficient number, since it is larger than the sum of its proper divisors (9689289437).

120423044131 is a wasteful number, since it uses less digits than its factorization.

120423044131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 120423044131 its reverse (131440324021), we get a palindrome (251863368152).

The spelling of 120423044131 in words is "one hundred twenty billion, four hundred twenty-three million, forty-four thousand, one hundred thirty-one".

Divisors: 1 13 347 3931 4511 6791 51103 88283 1364057 2356477 17732741 26695421 30634201 347040473 9263311087 120423044131