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11828612071 = 101117114971
BaseRepresentation
bin10110000010000101…
…00100101111100111
31010112100121202022101
423001002210233213
5143211111041241
65233424112531
7566060354323
oct130102445747
933470552271
1011828612071
11501aa41361
122361465747
1311667b7853
14802d66983
154936b8e31
hex2c10a4be7

11828612071 has 4 divisors (see below), whose sum is σ = 11945727144. Its totient is φ = 11711497000.

The previous prime is 11828612069. The next prime is 11828612077. The reversal of 11828612071 is 17021682811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17021682811 = 72431668973.

It is a cyclic number.

It is not a de Polignac number, because 11828612071 - 21 = 11828612069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11828612071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11828612077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58557385 + ... + 58557586.

It is an arithmetic number, because the mean of its divisors is an integer number (2986431786).

Almost surely, 211828612071 is an apocalyptic number.

11828612071 is a deficient number, since it is larger than the sum of its proper divisors (117115073).

11828612071 is a wasteful number, since it uses less digits than its factorization.

11828612071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117115072.

The product of its (nonzero) digits is 10752, while the sum is 37.

The spelling of 11828612071 in words is "eleven billion, eight hundred twenty-eight million, six hundred twelve thousand, seventy-one".

Divisors: 1 101 117114971 11828612071