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120423234320 = 2451505290429
BaseRepresentation
bin111000000100111001…
…0001011101100010000
3102111211111120010211122
41300021302023230100
53433111321444240
6131153251501412
711462125413464
oct1601162135420
9374744503748
10120423234320
114708685a354
121b4095b7868
13b481aa228c
145b856384a4
1531ec2084b5
hex1c09c8bb10

120423234320 has 20 divisors (see below), whose sum is σ = 279984019980. Its totient is φ = 48169293696.

The previous prime is 120423234311. The next prime is 120423234427. The reversal of 120423234320 is 23432324021.

It can be written as a sum of positive squares in 2 ways, for example, as 96152087056 + 24271147264 = 310084^2 + 155792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 120423234320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752645135 + ... + 752645294.

It is an arithmetic number, because the mean of its divisors is an integer number (13999200999).

Almost surely, 2120423234320 is an apocalyptic number.

120423234320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120423234320 is an abundant number, since it is smaller than the sum of its proper divisors (159560785660).

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

120423234320 is a wasteful number, since it uses less digits than its factorization.

120423234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505290442 (or 1505290436 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 120423234320 its reverse (23432324021), we get a palindrome (143855558341).

The spelling of 120423234320 in words is "one hundred twenty billion, four hundred twenty-three million, two hundred thirty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1505290429 3010580858 6021161716 7526452145 12042323432 15052904290 24084646864 30105808580 60211617160 120423234320