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120532453500 = 22353297337957
BaseRepresentation
bin111000001000001001…
…0110100100001111100
3102112010010002001101110
41300100102310201330
53433322302003000
6131212152442020
711464622643654
oct1602022644174
9375103061343
10120532453500
1147132478338
121b43a0a9310
13b49b5c3104
145b95d49364
153206ace850
hex1c104b487c

120532453500 has 192 divisors, whose sum is σ = 368077207680. Its totient is φ = 30607718400.

The previous prime is 120532453477. The next prime is 120532453507. The reversal of 120532453500 is 5354235021.

It is a super-4 number, since 4×1205324535004 (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120532453507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3156522 + ... + 3194478.

It is an arithmetic number, because the mean of its divisors is an integer number (1917068790).

Almost surely, 2120532453500 is an apocalyptic number.

120532453500 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 120532453500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184038603840).

120532453500 is an abundant number, since it is smaller than the sum of its proper divisors (247544754180).

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

120532453500 is a wasteful number, since it uses less digits than its factorization.

120532453500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38081 (or 38069 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 120532453500 its reverse (5354235021), we get a palindrome (125886688521).

The spelling of 120532453500 in words is "one hundred twenty billion, five hundred thirty-two million, four hundred fifty-three thousand, five hundred".