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120520232542 = 2145139415189
BaseRepresentation
bin111000000111110010…
…0001100111001011110
3102112002021002011101101
41300033210030321132
53433311134420132
6131211034503314
711464414034233
oct1601744147136
9375067064341
10120520232542
1147126590576
121b435b94b3a
13b498c04688
145b9448778a
1532059b87e7
hex1c0f90ce5e

120520232542 has 8 divisors (see below), whose sum is σ = 180782029800. Its totient is φ = 60259555944.

The previous prime is 120520232533. The next prime is 120520232617. The reversal of 120520232542 is 245232025021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120520232542.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 82684 + ... + 497872.

It is an arithmetic number, because the mean of its divisors is an integer number (22597753725).

Almost surely, 2120520232542 is an apocalyptic number.

120520232542 is a deficient number, since it is larger than the sum of its proper divisors (60261797258).

120520232542 is a wasteful number, since it uses less digits than its factorization.

120520232542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560330.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 120520232542 its reverse (245232025021), we get a palindrome (365752257563).

The spelling of 120520232542 in words is "one hundred twenty billion, five hundred twenty million, two hundred thirty-two thousand, five hundred forty-two".

Divisors: 1 2 145139 290278 415189 830378 60260116271 120520232542