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120452420000 = 255411601911
BaseRepresentation
bin111000000101110000…
…1100001000110100000
3102111220112110221001202
41300023201201012200
53433141304420000
6131200213220332
711462631451103
oct1601341410640
9374815427052
10120452420000
11470a1283a50
121b4173316a8
13b487b50703
145b8947473a
1531eea70dd5
hex1c0b8611a0

120452420000 has 240 divisors, whose sum is σ = 324163534464. Its totient is φ = 43680000000.

The previous prime is 120452419961. The next prime is 120452420029. The reversal of 120452420000 is 24254021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132219545 + ... + 132220455.

Almost surely, 2120452420000 is an apocalyptic number.

120452420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120452420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162081767232).

120452420000 is an abundant number, since it is smaller than the sum of its proper divisors (203711114464).

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

120452420000 is an equidigital number, since it uses as much as digits as its factorization.

120452420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 120452420000 its reverse (24254021), we get a palindrome (120476674021).

The spelling of 120452420000 in words is "one hundred twenty billion, four hundred fifty-two million, four hundred twenty thousand".