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120423120144 = 2432508815003
BaseRepresentation
bin111000000100111000…
…1101111110100010000
3102111211111100100012220
41300021301233310100
53433111304321034
6131153245221040
711462124426555
oct1601161576420
9374744310186
10120423120144
1147086791598
121b409561780
13b481a62312
145b85608a2c
1531ec1d4749
hex1c09c6fd10

120423120144 has 20 divisors (see below), whose sum is σ = 311093060496. Its totient is φ = 40141040032.

The previous prime is 120423120131. The next prime is 120423120161. The reversal of 120423120144 is 441021324021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254407454 + ... + 1254407549.

Almost surely, 2120423120144 is an apocalyptic number.

It is an amenable number.

120423120144 is an abundant number, since it is smaller than the sum of its proper divisors (190669940352).

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

120423120144 is a wasteful number, since it uses less digits than its factorization.

120423120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508815014 (or 2508815008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 120423120144 its reverse (441021324021), we get a palindrome (561444444165).

The spelling of 120423120144 in words is "one hundred twenty billion, four hundred twenty-three million, one hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2508815003 5017630006 7526445009 10035260012 15052890018 20070520024 30105780036 40141040048 60211560072 120423120144