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10313778409 = 117431261933
BaseRepresentation
bin10011001101011111…
…11100010011101001
3222121210012020011221
421212233330103221
5132110311402114
64423232022041
7513404445544
oct114657742351
928553166157
1010313778409
11441294a410
121bba091921
13c84a0087c
146dbac185b
154056de524
hex266bfc4e9

10313778409 has 8 divisors (see below), whose sum is σ = 11266546752. Its totient is φ = 9363535440.

The previous prime is 10313778407. The next prime is 10313778421. The reversal of 10313778409 is 90487731301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10313778409 - 21 = 10313778407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10313778407) 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, 622794 + ... + 639139.

It is an arithmetic number, because the mean of its divisors is an integer number (1408318344).

Almost surely, 210313778409 is an apocalyptic number.

It is an amenable number.

10313778409 is a deficient number, since it is larger than the sum of its proper divisors (952768343).

10313778409 is a wasteful number, since it uses less digits than its factorization.

10313778409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262687.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 10313778409 in words is "ten billion, three hundred thirteen million, seven hundred seventy-eight thousand, four hundred nine".

Divisors: 1 11 743 8173 1261933 13881263 937616219 10313778409