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120520232142 = 23183110970347
BaseRepresentation
bin111000000111110010…
…0001100110011001110
3102112002021002010211120
41300033210030303032
53433311134412032
6131211034501410
711464414033122
oct1601744146316
9375067063746
10120520232142
1147126590242
121b435b94866
13b498c0443b
145b94487582
1532059b862c
hex1c0f90ccce

120520232142 has 16 divisors (see below), whose sum is σ = 241172130432. Its totient is φ = 40151466360.

The previous prime is 120520232111. The next prime is 120520232177. The reversal of 120520232142 is 241232025021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5474188 + ... + 5496159.

It is an arithmetic number, because the mean of its divisors is an integer number (15073258152).

Almost surely, 2120520232142 is an apocalyptic number.

120520232142 is an abundant number, since it is smaller than the sum of its proper divisors (120651898290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120520232142 is a wasteful number, since it uses less digits than its factorization.

120520232142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972183.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 120520232142 its reverse (241232025021), we get a palindrome (361752257163).

The spelling of 120520232142 in words is "one hundred twenty billion, five hundred twenty million, two hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 1831 3662 5493 10986 10970347 21940694 32911041 65822082 20086705357 40173410714 60260116071 120520232142