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11828250372015 = 32572112324332129
BaseRepresentation
bin1010110000011111101010…
…1010010110011110101111
31112212202210002212000021200
42230013322222112132233
53022243224043401030
641053453451300543
72330364033164100
oct254077252263657
945782702760250
1011828250372015
113850372a782a0
1213b048914a753
1367a52613128c
142cc6c18223a7
15157a2ebbbd60
hexac1faa967af

11828250372015 has 432 divisors, whose sum is σ = 27273769679520. Its totient is φ = 4688850862080.

The previous prime is 11828250371947. The next prime is 11828250372023. The reversal of 11828250372015 is 51027305282811.

11828250372015 is a `hidden beast` number, since 1 + 1 + 8 + 28 + 250 + 372 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 11828250372015 - 214 = 11828250355631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 5555776471 + ... + 5555778599.

It is an arithmetic number, because the mean of its divisors is an integer number (63133726110).

Almost surely, 211828250372015 is an apocalyptic number.

11828250372015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11828250372015 is an abundant number, since it is smaller than the sum of its proper divisors (15445519307505).

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

11828250372015 is a wasteful number, since it uses less digits than its factorization.

11828250372015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 11828250372015 in words is "eleven trillion, eight hundred twenty-eight billion, two hundred fifty million, three hundred seventy-two thousand, fifteen".