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10420747031 is a prime number
BaseRepresentation
bin10011011010001111…
…11111101100010111
3222220020110210112202
421231013333230113
5132320202401111
64442012435115
7516143613452
oct115507775427
928806423482
1010420747031
114468270532
122029a78a9b
13ca0c14206
1470bda8499
1540ecbdb3b
hex26d1ffb17

10420747031 has 2 divisors, whose sum is σ = 10420747032. Its totient is φ = 10420747030.

The previous prime is 10420746967. The next prime is 10420747067. The reversal of 10420747031 is 13074702401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10420747031 - 26 = 10420746967 is a prime.

It is a super-2 number, since 2×104207470312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10420746985 and 10420747003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420747331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210373515 + 5210373516.

It is an arithmetic number, because the mean of its divisors is an integer number (5210373516).

Almost surely, 210420747031 is an apocalyptic number.

10420747031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420747031 is an equidigital number, since it uses as much as digits as its factorization.

10420747031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 10420747031 in words is "ten billion, four hundred twenty million, seven hundred forty-seven thousand, thirty-one".