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120321342140 = 22519930231493
BaseRepresentation
bin111000000001110110…
…1011111101010111100
3102111120101211111001012
41300003231133222330
53432404230422030
6131135211534352
711456450350646
oct1600355375274
9374511744035
10120321342140
114703429623a
121b39b45a3b8
13b46694844c
145b75cb3896
1531e32cd095
hex1c03b5fabc

120321342140 has 24 divisors (see below), whose sum is σ = 253944549600. Its totient is φ = 47886683328.

The previous prime is 120321342137. The next prime is 120321342149. The reversal of 120321342140 is 41243123021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321342149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15111767 + ... + 15119726.

It is an arithmetic number, because the mean of its divisors is an integer number (10581022900).

Almost surely, 2120321342140 is an apocalyptic number.

120321342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120321342140 is an abundant number, since it is smaller than the sum of its proper divisors (133623207460).

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

120321342140 is a wasteful number, since it uses less digits than its factorization.

120321342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30231701 (or 30231699 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 120321342140 its reverse (41243123021), we get a palindrome (161564465161).

The spelling of 120321342140 in words is "one hundred twenty billion, three hundred twenty-one million, three hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 30231493 60462986 120925972 151157465 302314930 604629860 6016067107 12032134214 24064268428 30080335535 60160671070 120321342140