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1023045121 = 7438938189
BaseRepresentation
bin111100111110100…
…110111000000001
32122022001002002001
4330332212320001
54043344420441
6245303224001
734231511560
oct7476467001
92568032061
101023045121
11485533a3a
12246748001
13133c48657
1499c29bd7
155ec34731
hex3cfa6e01

1023045121 has 16 divisors (see below), whose sum is σ = 1209859200. Its totient is φ = 846857088.

The previous prime is 1023045119. The next prime is 1023045137. The reversal of 1023045121 is 1215403201.

It is not a de Polignac number, because 1023045121 - 21 = 1023045119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023045521) 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, 7695 + ... + 45883.

It is an arithmetic number, because the mean of its divisors is an integer number (75616200).

Almost surely, 21023045121 is an apocalyptic number.

It is an amenable number.

1023045121 is a deficient number, since it is larger than the sum of its proper divisors (186814079).

1023045121 is an equidigital number, since it uses as much as digits as its factorization.

1023045121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1023045121 is about 31985.0765357846. The cubic root of 1023045121 is about 1007.6234424418.

Adding to 1023045121 its reverse (1215403201), we get a palindrome (2238448322).

The spelling of 1023045121 in words is "one billion, twenty-three million, forty-five thousand, one hundred twenty-one".

Divisors: 1 7 43 89 301 623 3827 26789 38189 267323 1642127 3398821 11494889 23791747 146149303 1023045121