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1064752213 = 7221729637
BaseRepresentation
bin111111011101101…
…101010001010101
32202012112000110011
4333131231101111
54140034032323
6253353200221
735246146600
oct7735552125
92665460404
101064752213
114a7030108
12258700071
1313c78c1c5
14a15a5337
156372220d
hex3f76d455

1064752213 has 6 divisors (see below), whose sum is σ = 1238589366. Its totient is φ = 912644712.

The previous prime is 1064752207. The next prime is 1064752223. The reversal of 1064752213 is 3122574601.

It can be written as a sum of positive squares in only one way, i.e., 693110929 + 371641284 = 26327^2 + 19278^2 .

It is a de Polignac number, because none of the positive numbers 2k-1064752213 is a prime.

It is a super-2 number, since 2×10647522132 = 2267394550176794738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064752223) 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 5 ways as a sum of consecutive naturals, for example, 10864770 + ... + 10864867.

It is an arithmetic number, because the mean of its divisors is an integer number (206431561).

Almost surely, 21064752213 is an apocalyptic number.

It is an amenable number.

1064752213 is a deficient number, since it is larger than the sum of its proper divisors (173837153).

1064752213 is an equidigital number, since it uses as much as digits as its factorization.

1064752213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21729651 (or 21729644 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1064752213 is about 32630.5411079865. The cubic root of 1064752213 is about 1021.1342671604.

The spelling of 1064752213 in words is "one billion, sixty-four million, seven hundred fifty-two thousand, two hundred thirteen".

Divisors: 1 7 49 21729637 152107459 1064752213