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12949952450968 = 2313124518773567
BaseRepresentation
bin1011110001110010010101…
…0100001101000110011000
31200212000002110012121122101
42330130211110031012120
53144133000311412333
643313043115533144
72504413615426621
oct274344524150630
950760073177571
1012949952450968
114143053610425
121551954a5a1b4
1372c23810aa90
1432aad1278a48
15176cd0a4d67d
hexbc72550d198

12949952450968 has 16 divisors (see below), whose sum is σ = 26148942449280. Its totient is φ = 5976901131168.

The previous prime is 12949952450951. The next prime is 12949952450983. The reversal of 12949952450968 is 86905425994921.

It is a super-2 number, since 2×129499524509682 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12949952450968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62259386680 + ... + 62259386887.

It is an arithmetic number, because the mean of its divisors is an integer number (1634308903080).

Almost surely, 212949952450968 is an apocalyptic number.

It is an amenable number.

12949952450968 is an abundant number, since it is smaller than the sum of its proper divisors (13198989998312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12949952450968 is a wasteful number, since it uses less digits than its factorization.

12949952450968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124518773586 (or 124518773582 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 73.

The spelling of 12949952450968 in words is "twelve trillion, nine hundred forty-nine billion, nine hundred fifty-two million, four hundred fifty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 124518773567 249037547134 498075094268 996150188536 1618744056371 3237488112742 6474976225484 12949952450968