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11983585513 = 191378145767
BaseRepresentation
bin10110010100100011…
…10000000011101001
31010221011020012220111
423022101300003221
5144020244214023
65301041454321
7602651540044
oct131221600351
933834205814
1011983585513
11509a470189
1223a53413a1
13118c938403
14819787c5b
154a20cc00d
hex2ca4700e9

11983585513 has 8 divisors (see below), whose sum is σ = 12615491520. Its totient is φ = 11351798640.

The previous prime is 11983585489. The next prime is 11983585519. The reversal of 11983585513 is 31558538911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11983585513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11983585519) 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, 238956 + ... + 284722.

It is an arithmetic number, because the mean of its divisors is an integer number (1576936440).

Almost surely, 211983585513 is an apocalyptic number.

It is an amenable number.

11983585513 is a deficient number, since it is larger than the sum of its proper divisors (631906007).

11983585513 is a wasteful number, since it uses less digits than its factorization.

11983585513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59567.

The product of its digits is 648000, while the sum is 49.

The spelling of 11983585513 in words is "eleven billion, nine hundred eighty-three million, five hundred eighty-five thousand, five hundred thirteen".

Divisors: 1 19 13781 45767 261839 869573 630715027 11983585513