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30442053205500 = 2235325180855387
BaseRepresentation
bin1101110101111110101111…
…10001000111110111111100
310222210020021000210022102120
412322333113301013313330
512442230311110034000
6144424515225322540
76261236312550666
oct672772761076774
9128706230708376
1030442053205500
119777447459142
1234b7a5a036450
1313ca89a315631
147735906a5536
1537bd0357b6a0
hex1bafd7c47dfc

30442053205500 has 96 divisors (see below), whose sum is σ = 89000436365568. Its totient is φ = 8085538600000.

The previous prime is 30442053205441. The next prime is 30442053205507. The reversal of 30442053205500 is 550235024403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442053205507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40051194 + ... + 40804193.

It is an arithmetic number, because the mean of its divisors is an integer number (927087878808).

Almost surely, 230442053205500 is an apocalyptic number.

30442053205500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30442053205500 is an abundant number, since it is smaller than the sum of its proper divisors (58558383160068).

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

30442053205500 is a wasteful number, since it uses less digits than its factorization.

30442053205500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80855660 (or 80855648 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 30442053205500 its reverse (550235024403), we get a palindrome (30992288229903).

The spelling of 30442053205500 in words is "thirty trillion, four hundred forty-two billion, fifty-three million, two hundred five thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 251 300 375 500 502 750 753 1004 1255 1500 1506 2510 3012 3765 5020 6275 7530 12550 15060 18825 25100 31375 37650 62750 75300 94125 125500 188250 376500 80855387 161710774 242566161 323421548 404276935 485132322 808553870 970264644 1212830805 1617107740 2021384675 2425661610 4042769350 4851323220 6064154025 8085538700 10106923375 12128308050 20213846750 20294702137 24256616100 30320770125 40427693500 40589404274 60641540250 60884106411 81178808548 101473510685 121283080500 121768212822 202947021370 243536425644 304420532055 405894042740 507367553425 608841064110 1014735106850 1217682128220 1522102660275 2029470213700 2536837767125 3044205320550 5073675534250 6088410641100 7610513301375 10147351068500 15221026602750 30442053205500