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120130541352 = 23321668479741
BaseRepresentation
bin110111111100001010…
…1101001011100101000
3102111002002210210120100
41233320111221130220
53432011404310402
6131104234225400
711451642516303
oct1577025513450
9374062723510
10120130541352
1146a46616838
121b347585260
13b436262383
145b58807b3a
1531d168e71c
hex1bf8569728

120130541352 has 24 divisors (see below), whose sum is σ = 325353549690. Its totient is φ = 40043513760.

The previous prime is 120130541347. The next prime is 120130541371. The reversal of 120130541352 is 253145031021.

120130541352 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 305 + 4 + 1 + 352 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115161137316 + 4969404036 = 339354^2 + 70494^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 834239799 + ... + 834239942.

Almost surely, 2120130541352 is an apocalyptic number.

120130541352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120130541352 is an abundant number, since it is smaller than the sum of its proper divisors (205223008338).

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

120130541352 is a wasteful number, since it uses less digits than its factorization.

120130541352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668479753 (or 1668479746 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 120130541352 its reverse (253145031021), we get a palindrome (373275572373).

The spelling of 120130541352 in words is "one hundred twenty billion, one hundred thirty million, five hundred forty-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1668479741 3336959482 5005439223 6673918964 10010878446 13347837928 15016317669 20021756892 30032635338 40043513784 60065270676 120130541352