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2543070103 = 717103207479
BaseRepresentation
bin1001011110010100…
…0010101110010111
320120020020100100121
42113211002232113
520202011220403
61100202452411
7120006511360
oct22745025627
96506210317
102543070103
111095551232
125ab804107
13316b2c512
141a1a62b67
15ed3d73bd
hex97942b97

2543070103 has 16 divisors (see below), whose sum is σ = 3107220480. Its totient is φ = 2031624576.

The previous prime is 2543070041. The next prime is 2543070109. The reversal of 2543070103 is 3010703452.

It is not a de Polignac number, because 2543070103 - 29 = 2543069591 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543070109) 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, 91483 + ... + 115996.

It is an arithmetic number, because the mean of its divisors is an integer number (194201280).

Almost surely, 22543070103 is an apocalyptic number.

2543070103 is a deficient number, since it is larger than the sum of its proper divisors (564150377).

2543070103 is a wasteful number, since it uses less digits than its factorization.

2543070103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207606.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2543070103 is about 50428.8618055177. The cubic root of 2543070103 is about 1364.9584897054.

Adding to 2543070103 its reverse (3010703452), we get a palindrome (5553773555).

The spelling of 2543070103 in words is "two billion, five hundred forty-three million, seventy thousand, one hundred three".

Divisors: 1 7 17 103 119 721 1751 12257 207479 1452353 3527143 21370337 24690001 149592359 363295729 2543070103