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10307207943 = 322267505181
BaseRepresentation
bin10011001100101101…
…11000001100000111
3222121022211102012100
421212112320030013
5132102121123233
64422435123143
7513264551634
oct114626701407
928538742170
1010307207943
11440a17197a
121bb7a434b3
13c83540016
146dac9118b
15404d42813
hex2665b8307

10307207943 has 12 divisors (see below), whose sum is σ = 14894786088. Its totient is φ = 6868427280.

The previous prime is 10307207941. The next prime is 10307207957. The reversal of 10307207943 is 34970270301.

It is not a de Polignac number, because 10307207943 - 21 = 10307207941 is a prime.

It is a super-3 number, since 3×103072079433 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10307207898 and 10307207907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10307207941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232188 + ... + 272993.

It is an arithmetic number, because the mean of its divisors is an integer number (1241232174).

Almost surely, 210307207943 is an apocalyptic number.

10307207943 is a deficient number, since it is larger than the sum of its proper divisors (4587578145).

10307207943 is a wasteful number, since it uses less digits than its factorization.

10307207943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507454 (or 507451 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 10307207943 in words is "ten billion, three hundred seven million, two hundred seven thousand, nine hundred forty-three".

Divisors: 1 3 9 2267 6801 20403 505181 1515543 4546629 1145245327 3435735981 10307207943