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1020770201 = 113124112421
BaseRepresentation
bin111100110101111…
…011011110011001
32122010202111110202
4330311323132121
54042304121301
6245142351545
734203255263
oct7465733631
92563674422
101020770201
1148421a840
12245a2b5b5
13133630049
14997d6b33
155e93566b
hex3cd7b799

1020770201 has 16 divisors (see below), whose sum is σ = 1154351616. Its totient is φ = 894240000.

The previous prime is 1020770183. The next prime is 1020770203.

1020770201 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1020770201 - 210 = 1020769177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020770203) 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, 75971 + ... + 88391.

It is an arithmetic number, because the mean of its divisors is an integer number (72146976).

Almost surely, 21020770201 is an apocalyptic number.

1020770201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020770201 is a deficient number, since it is larger than the sum of its proper divisors (133581415).

1020770201 is a wasteful number, since it uses less digits than its factorization.

1020770201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1020770201 is about 31949.4945343428. The cubic root of 1020770201 is about 1006.8760124216.

It can be divided in two parts, 10207 and 70201, that added together give a palindrome (80408).

The spelling of 1020770201 in words is "one billion, twenty million, seven hundred seventy thousand, two hundred one".

Divisors: 1 11 31 241 341 2651 7471 12421 82181 136631 385051 2993461 4235561 32928071 92797291 1020770201