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10033312420 = 2251273950123
BaseRepresentation
bin10010101100000100…
…00011001010100100
3221220020110002011201
421112002003022210
5131022011444140
64335332412244
7503430514465
oct112602031244
927806402151
1010033312420
1142895a813a
121b40177084
13c3b882071
146b2754d6c
153dac8d49a
hex2560832a4

10033312420 has 24 divisors (see below), whose sum is σ = 21235866624. Its totient is φ = 3981722976.

The previous prime is 10033312369. The next prime is 10033312423. The reversal of 10033312420 is 2421333001.

It is not an unprimeable number, because it can be changed into a prime (10033312423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972522 + ... + 1977601.

It is an arithmetic number, because the mean of its divisors is an integer number (884827776).

Almost surely, 210033312420 is an apocalyptic number.

10033312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10033312420 is an abundant number, since it is smaller than the sum of its proper divisors (11202554204).

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

10033312420 is a wasteful number, since it uses less digits than its factorization.

10033312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950259 (or 3950257 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10033312420 its reverse (2421333001), we get a palindrome (12454645421).

The spelling of 10033312420 in words is "ten billion, thirty-three million, three hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 3950123 7900246 15800492 19750615 39501230 79002460 501665621 1003331242 2006662484 2508328105 5016656210 10033312420