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1054742161 = 11436321977
BaseRepresentation
bin111110110111100…
…001011010010001
32201111200110020111
4332313201122101
54130003222121
6252354441321
735065106014
oct7667413221
92644613214
101054742161
114a1413440
12255293241
1313a695bb5
14a011b37b
15628e62e1
hex3ede1691

1054742161 has 8 divisors (see below), whose sum is σ = 1150943904. Its totient is φ = 958593120.

The previous prime is 1054742159. The next prime is 1054742167. The reversal of 1054742161 is 1612474501.

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

It is a cyclic number.

It is not a de Polignac number, because 1054742161 - 21 = 1054742159 is a prime.

It is a super-2 number, since 2×10547421612 = 2224962052381899842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054742167) 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, 37005 + ... + 58981.

It is an arithmetic number, because the mean of its divisors is an integer number (143867988).

Almost surely, 21054742161 is an apocalyptic number.

1054742161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1054742161 is a deficient number, since it is larger than the sum of its proper divisors (96201743).

1054742161 is a wasteful number, since it uses less digits than its factorization.

1054742161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26351.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1054742161 is about 32476.7941921613. The cubic root of 1054742161 is about 1017.9241908415.

The spelling of 1054742161 in words is "one billion, fifty-four million, seven hundred forty-two thousand, one hundred sixty-one".

Divisors: 1 11 4363 21977 47993 241747 95885651 1054742161