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2542463161 = 71471246913
BaseRepresentation
bin1001011110001010…
…1110100010111001
320120012002111210021
42113202232202321
520201332310121
61100141450441
7120001403020
oct22742564271
96505074707
102542463161
111095177227
125ab570a21
13316979194
141a19458b7
15ed317641
hex978ae8b9

2542463161 has 8 divisors (see below), whose sum is σ = 2907659264. Its totient is φ = 2177763840.

The previous prime is 2542463153. The next prime is 2542463179. The reversal of 2542463161 is 1613642452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542463161 - 23 = 2542463153 is a prime.

It is a super-2 number, since 2×25424631612 = 12928237850084223842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542463141) 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 7 ways as a sum of consecutive naturals, for example, 113160 + ... + 133753.

It is an arithmetic number, because the mean of its divisors is an integer number (363457408).

Almost surely, 22542463161 is an apocalyptic number.

It is an amenable number.

2542463161 is a deficient number, since it is larger than the sum of its proper divisors (365196103).

2542463161 is a wasteful number, since it uses less digits than its factorization.

2542463161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248391.

The product of its digits is 34560, while the sum is 34.

The square root of 2542463161 is about 50422.8436425396. The cubic root of 2542463161 is about 1364.8498917617.

The spelling of 2542463161 in words is "two billion, five hundred forty-two million, four hundred sixty-three thousand, one hundred sixty-one".

Divisors: 1 7 1471 10297 246913 1728391 363209023 2542463161