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1020410111 = 72319931849
BaseRepresentation
bin111100110100100…
…011100011111111
32122010002012112002
4330310203203333
54042211110421
6245130532515
734200225410
oct7464434377
92563065462
101020410111
11483aa4246
1224589713b
13133535186
1499741807
155e8b3b0b
hex3cd238ff

1020410111 has 16 divisors (see below), whose sum is σ = 1223040000. Its totient is φ = 832379328.

The previous prime is 1020410099. The next prime is 1020410119. The reversal of 1020410111 is 1110140201.

It is a cyclic number.

It is not a de Polignac number, because 1020410111 - 26 = 1020410047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020410092 and 1020410101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020410119) 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 15 ways as a sum of consecutive naturals, for example, 16115 + ... + 47963.

It is an arithmetic number, because the mean of its divisors is an integer number (76440000).

Almost surely, 21020410111 is an apocalyptic number.

1020410111 is a deficient number, since it is larger than the sum of its proper divisors (202629889).

1020410111 is a wasteful number, since it uses less digits than its factorization.

1020410111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1020410111 is about 31943.8587368527. The cubic root of 1020410111 is about 1006.7576022823.

Adding to 1020410111 its reverse (1110140201), we get a palindrome (2130550312).

The spelling of 1020410111 in words is "one billion, twenty million, four hundred ten thousand, one hundred eleven".

Divisors: 1 7 23 161 199 1393 4577 31849 32039 222943 732527 5127689 6337951 44365657 145772873 1020410111