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2054251101 = 37195148499
BaseRepresentation
bin111101001110001…
…0110001001011101
312022011102202202010
41322130112021131
513201342013401
6535501421433
7101622563160
oct17234261135
95264382663
102054251101
11964631291
12493b6a879
132697906c6
14156b7bad7
15c052bed6
hex7a71625d

2054251101 has 16 divisors (see below), whose sum is σ = 3295040000. Its totient is φ = 1112075568.

The previous prime is 2054251093. The next prime is 2054251123. The reversal of 2054251101 is 1011524502.

It is not a de Polignac number, because 2054251101 - 23 = 2054251093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054251181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573851 + ... + 2574648.

It is an arithmetic number, because the mean of its divisors is an integer number (205940000).

Almost surely, 22054251101 is an apocalyptic number.

2054251101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2054251101 is a deficient number, since it is larger than the sum of its proper divisors (1240788899).

2054251101 is a wasteful number, since it uses less digits than its factorization.

2054251101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148528.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2054251101 is about 45323.8469351400. The cubic root of 2054251101 is about 1271.2115870704.

Adding to 2054251101 its reverse (1011524502), we get a palindrome (3065775603).

The spelling of 2054251101 in words is "two billion, fifty-four million, two hundred fifty-one thousand, one hundred one".

Divisors: 1 3 7 19 21 57 133 399 5148499 15445497 36039493 97821481 108118479 293464443 684750367 2054251101