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30431001205050 = 2352691293593837
BaseRepresentation
bin1101110101101010001010…
…00001000101100100111010
310222202011201210111111222120
412322311011001011210322
512442040142302030200
6144415450422502110
76260365402236225
oct672650501054472
9128664653444876
1030431001205050
119772795933676
1234b5894894936
1313c98286b21b4
14772c2293a5bc
1537b8a81699a0
hex1bad4504593a

30431001205050 has 48 divisors (see below), whose sum is σ = 75578100153312. Its totient is φ = 8103189873600.

The previous prime is 30431001205009. The next prime is 30431001205069. The reversal of 30431001205050 is 5050210013403.

It is a self number, because there is not a number n which added to its sum of digits gives 30431001205050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146693269 + ... + 146900568.

It is an arithmetic number, because the mean of its divisors is an integer number (1574543753194).

Almost surely, 230431001205050 is an apocalyptic number.

30431001205050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30431001205050 is an abundant number, since it is smaller than the sum of its proper divisors (45147098948262).

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

30431001205050 is a wasteful number, since it uses less digits than its factorization.

30431001205050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293594543 (or 293594538 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 30431001205050 its reverse (5050210013403), we get a palindrome (35481211218453).

The spelling of 30431001205050 in words is "thirty trillion, four hundred thirty-one billion, one million, two hundred five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 691 1382 2073 3455 4146 6910 10365 17275 20730 34550 51825 103650 293593837 587187674 880781511 1467969185 1761563022 2935938370 4403907555 7339845925 8807815110 14679691850 22019537775 44039075550 202873341367 405746682734 608620024101 1014366706835 1217240048202 2028733413670 3043100120505 5071833534175 6086200241010 10143667068350 15215500602525 30431001205050