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10305306040 = 235435991457
BaseRepresentation
bin10011001100011111…
…00111110110111000
3222121012020210021111
421212033213312320
5132101124243130
64422330250104
7513242441011
oct114617476670
928535223244
1010305306040
114409092a57
121bb7286934
13c83025433
146da918008
15404ab902a
hex2663e7db8

10305306040 has 32 divisors (see below), whose sum is σ = 23726173680. Its totient is φ = 4026258432.

The previous prime is 10305306029. The next prime is 10305306059. The reversal of 10305306040 is 4060350301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994009 + ... + 2997448.

Almost surely, 210305306040 is an apocalyptic number.

10305306040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10305306040 is an abundant number, since it is smaller than the sum of its proper divisors (13420867640).

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

10305306040 is a wasteful number, since it uses less digits than its factorization.

10305306040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991511 (or 5991507 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 10305306040 its reverse (4060350301), we get a palindrome (14365656341).

The spelling of 10305306040 in words is "ten billion, three hundred five million, three hundred six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 5991457 11982914 23965828 29957285 47931656 59914570 119829140 239658280 257632651 515265302 1030530604 1288163255 2061061208 2576326510 5152653020 10305306040