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1023073161 = 31131002217
BaseRepresentation
bin111100111110101…
…101101110001001
32122022002111112120
4330332231232021
54043401320121
6245304001453
734231656405
oct7476555611
92568074476
101023073161
11485553010
12246760289
13133c58346
1499c36105
155ec3cbc6
hex3cfadb89

1023073161 has 8 divisors (see below), whose sum is σ = 1488106464. Its totient is φ = 620044320.

The previous prime is 1023073159. The next prime is 1023073171. The reversal of 1023073161 is 1613703201.

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

It is not a de Polignac number, because 1023073161 - 21 = 1023073159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023073171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15501076 + ... + 15501141.

It is an arithmetic number, because the mean of its divisors is an integer number (186013308).

Almost surely, 21023073161 is an apocalyptic number.

1023073161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023073161 is a deficient number, since it is larger than the sum of its proper divisors (465033303).

1023073161 is a wasteful number, since it uses less digits than its factorization.

1023073161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31002231.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1023073161 is about 31985.5148621997. The cubic root of 1023073161 is about 1007.6326481300.

Adding to 1023073161 its reverse (1613703201), we get a palindrome (2636776362).

The spelling of 1023073161 in words is "one billion, twenty-three million, seventy-three thousand, one hundred sixty-one".

Divisors: 1 3 11 33 31002217 93006651 341024387 1023073161