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12699602752473 = 3374134193
BaseRepresentation
bin1011100011001101101101…
…0011111001001111011001
31122222001220011002020101000
42320303123103321033121
53131032241301034343
643002041133015213
72450341665210000
oct270633323711731
948861804066330
1012699602752473
11405696474855a
121511327324509
1371174b770000
1431c942237c37
1517052c1a9ed3
hexb8cdb4f93d9

12699602752473 has 400 divisors, whose sum is σ = 25098398593600. Its totient is φ = 6346128847968.

The previous prime is 12699602752433. The next prime is 12699602752531. The reversal of 12699602752473 is 37425720699621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12699602752473 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 96 + 0 + 2 + 75 + 2 + 473 = 666.

It is not a de Polignac number, because 12699602752473 - 28 = 12699602752217 is a prime.

It is a super-2 number, since 2×126996027524732 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 12699602752473 = 56813 + 232183 = 155613 + 207483.

It is a self number, because there is not a number n which added to its sum of digits gives 12699602752473.

It is not an unprimeable number, because it can be changed into a prime (12699602752433) by changing a digit.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 668400144858 + ... + 668400144876.

It is an arithmetic number, because the mean of its divisors is an integer number (62745996484).

Almost surely, 212699602752473 is an apocalyptic number.

12699602752473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12699602752473 is a deficient number, since it is larger than the sum of its proper divisors (12398795841127).

12699602752473 is an frugal number, since it uses more digits than its factorization.

12699602752473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 12699602752473 in words is "twelve trillion, six hundred ninety-nine billion, six hundred two million, seven hundred fifty-two thousand, four hundred seventy-three".