Search a number
-
+
120520232543 = 1274432142163
BaseRepresentation
bin111000000111110010…
…0001100111001011111
3102112002021002011101102
41300033210030321133
53433311134420133
6131211034503315
711464414034234
oct1601744147137
9375067064342
10120520232543
1147126590577
121b435b94b3b
13b498c04689
145b9448778b
1532059b87e8
hex1c0f90ce5f

120520232543 has 8 divisors (see below), whose sum is σ = 121743464448. Its totient is φ = 119301286104.

The previous prime is 120520232533. The next prime is 120520232617. The reversal of 120520232543 is 345232025021.

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 120520232543 - 228 = 120251797087 is a prime.

It is a super-3 number, since 3×1205202325433 (a number of 34 digits) contains 333 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 (120520232533) 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, 1014821 + ... + 1127342.

It is an arithmetic number, because the mean of its divisors is an integer number (15217933056).

Almost surely, 2120520232543 is an apocalyptic number.

120520232543 is a deficient number, since it is larger than the sum of its proper divisors (1223231905).

120520232543 is a wasteful number, since it uses less digits than its factorization.

120520232543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142733.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 120520232543 its reverse (345232025021), we get a palindrome (465752257564).

The spelling of 120520232543 in words is "one hundred twenty billion, five hundred twenty million, two hundred thirty-two thousand, five hundred forty-three".

Divisors: 1 127 443 56261 2142163 272054701 948978209 120520232543