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200105312424 = 23320063415577
BaseRepresentation
bin1011101001011100110…
…1001100000010101000
3201010111200110002222120
42322113031030002220
511234303424444144
6231532131151240
720312540043213
oct2722715140250
9633450402876
10200105312424
1177956260a66
1232946a45520
1315b400a2a14
14998409677a
155312827e19
hex2e9734c0a8

200105312424 has 32 divisors (see below), whose sum is σ = 500289419520. Its totient is φ = 66698285696.

The previous prime is 200105312401. The next prime is 200105312441. The reversal of 200105312424 is 424213501002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 200105312394 and 200105312403.

It is an unprimeable number.

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, 273724 + ... + 689300.

It is an arithmetic number, because the mean of its divisors is an integer number (15634044360).

Almost surely, 2200105312424 is an apocalyptic number.

200105312424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200105312424 is an abundant number, since it is smaller than the sum of its proper divisors (300184107096).

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

200105312424 is a wasteful number, since it uses less digits than its factorization.

200105312424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435649 (or 435645 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 200105312424 its reverse (424213501002), we get a palindrome (624318813426).

The spelling of 200105312424 in words is "two hundred billion, one hundred five million, three hundred twelve thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 20063 40126 60189 80252 120378 160504 240756 415577 481512 831154 1246731 1662308 2493462 3324616 4986924 9973848 8337721351 16675442702 25013164053 33350885404 50026328106 66701770808 100052656212 200105312424