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2851391006112 = 25311195310132647
BaseRepresentation
bin101001011111100100001…
…001011110010110100000
3101002120221100020012020110
4221133210021132112200
5333204122044143422
610021524433011320
7413002061436165
oct51374411362640
911076840205213
102851391006112
119aa2a4984060
123a07510b3b40
13178b675005ac
149c01819606c
154e287d2e60c
hex297e425e5a0

2851391006112 has 384 divisors, whose sum is σ = 8769230346240. Its totient is φ = 802040279040.

The previous prime is 2851391006083. The next prime is 2851391006117. The reversal of 2851391006112 is 2116001931582.

It is not an unprimeable number, because it can be changed into a prime (2851391006117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1077214773 + ... + 1077217419.

It is an arithmetic number, because the mean of its divisors is an integer number (22836537360).

Almost surely, 22851391006112 is an apocalyptic number.

2851391006112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2851391006112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4384615173120).

2851391006112 is an abundant number, since it is smaller than the sum of its proper divisors (5917839340128).

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

2851391006112 is a wasteful number, since it uses less digits than its factorization.

2851391006112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

Adding to 2851391006112 its reverse (2116001931582), we get a palindrome (4967392937694).

The spelling of 2851391006112 in words is "two trillion, eight hundred fifty-one billion, three hundred ninety-one million, six thousand, one hundred twelve".