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9685961493 = 3131913071473
BaseRepresentation
bin10010000010101010…
…00000101100010101
3221000000211211021120
421001111000230111
5124314101231433
64241043434153
7462012212535
oct110125005425
927000754246
109685961493
11412052225a
121a63985959
13bb4915880
1467c5774c5
153ba5297b3
hex241540b15

9685961493 has 16 divisors (see below), whose sum is σ = 14640050880. Its totient is φ = 5646875904.

The previous prime is 9685961479. The next prime is 9685961507. The reversal of 9685961493 is 3941695869.

It is an interprime number because it is at equal distance from previous prime (9685961479) and next prime (9685961507).

It is not a de Polignac number, because 9685961493 - 212 = 9685957397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9685961413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6534996 + ... + 6536477.

It is an arithmetic number, because the mean of its divisors is an integer number (915003180).

Almost surely, 29685961493 is an apocalyptic number.

It is an amenable number.

9685961493 is a deficient number, since it is larger than the sum of its proper divisors (4954089387).

9685961493 is a wasteful number, since it uses less digits than its factorization.

9685961493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071508.

The product of its digits is 12597120, while the sum is 60.

The square root of 9685961493 is about 98417.2824914405. The cubic root of 9685961493 is about 2131.6418892790.

The spelling of 9685961493 in words is "nine billion, six hundred eighty-five million, nine hundred sixty-one thousand, four hundred ninety-three".

Divisors: 1 3 13 19 39 57 247 741 13071473 39214419 169929149 248357987 509787447 745073961 3228653831 9685961493