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57543912543 = 3132364151519
BaseRepresentation
bin110101100101111000…
…100110110001011111
312111112100000122011010
4311211320212301133
51420322220200133
642234005430303
74104664120605
oct654570466137
9174470018133
1057543912543
112244a047217
12b19b40b393
1355709643c0
142adc5d3875
15176bced263
hexd65e26c5f

57543912543 has 16 divisors (see below), whose sum is σ = 86219642880. Its totient is φ = 33872001504.

The previous prime is 57543912541. The next prime is 57543912553. The reversal of 57543912543 is 34521934575.

It is not a de Polignac number, because 57543912543 - 21 = 57543912541 is a prime.

It is a super-2 number, since 2×575439125432 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57543912492 and 57543912501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57543912541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32074863 + ... + 32076656.

It is an arithmetic number, because the mean of its divisors is an integer number (5388727680).

Almost surely, 257543912543 is an apocalyptic number.

57543912543 is a deficient number, since it is larger than the sum of its proper divisors (28675730337).

57543912543 is a wasteful number, since it uses less digits than its factorization.

57543912543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64151558.

The product of its digits is 2268000, while the sum is 48.

The spelling of 57543912543 in words is "fifty-seven billion, five hundred forty-three million, nine hundred twelve thousand, five hundred forty-three".

Divisors: 1 3 13 23 39 69 299 897 64151519 192454557 833969747 1475484937 2501909241 4426454811 19181304181 57543912543