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2381106152720 = 245127723307617
BaseRepresentation
bin100010101001100100111…
…111001000010100010000
322102122001101022022222102
4202221210333020110100
5303003001133341340
65021510504255532
7334013013232151
oct42514477102420
98378041268872
102381106152720
11838904391069
123255837715a8
131436ca721109
148336362b928
1541e10d09215
hex22a64fc8510

2381106152720 has 40 divisors (see below), whose sum is σ = 5540407259544. Its totient is φ = 951696576512.

The previous prime is 2381106152701. The next prime is 2381106152723. The reversal of 2381106152720 is 272516011832.

It can be written as a sum of positive squares in 4 ways, for example, as 25396884496 + 2355709268224 = 159364^2 + 1534832^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2381106152723) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11551649 + ... + 11755968.

Almost surely, 22381106152720 is an apocalyptic number.

2381106152720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381106152720 is an abundant number, since it is smaller than the sum of its proper divisors (3159301106824).

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

2381106152720 is a wasteful number, since it uses less digits than its factorization.

2381106152720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23308907 (or 23308901 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 2381106152720 in words is "two trillion, three hundred eighty-one billion, one hundred six million, one hundred fifty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1277 2554 5108 6385 10216 12770 20432 25540 51080 102160 23307617 46615234 93230468 116538085 186460936 233076170 372921872 466152340 932304680 1864609360 29763826909 59527653818 119055307636 148819134545 238110615272 297638269090 476221230544 595276538180 1190553076360 2381106152720