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3213023130 = 2325349102293
BaseRepresentation
bin1011111110000010…
…1101011110011010
322021220212111010200
42333200231132122
523040013220010
61250454123030
7142423150242
oct27740553632
98256774120
103213023130
1113a9738919
12758050476
133c287b425
14226a18b22
1513c121cc0
hexbf82d79a

3213023130 has 48 divisors (see below), whose sum is σ = 8377878600. Its totient is φ = 854342784.

The previous prime is 3213023089. The next prime is 3213023183. The reversal of 3213023130 is 313203123.

3213023130 is a `hidden beast` number, since 321 + 30 + 2 + 313 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2322179721 + 890843409 = 48189^2 + 29847^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19737 + ... + 82556.

Almost surely, 23213023130 is an apocalyptic number.

3213023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3213023130 is an abundant number, since it is smaller than the sum of its proper divisors (5164855470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213023130 is a wasteful number, since it uses less digits than its factorization.

3213023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102655 (or 102652 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3213023130 is about 56683.5349109422. The cubic root of 3213023130 is about 1475.6089612310.

Adding to 3213023130 its reverse (313203123), we get a palindrome (3526226253).

The spelling of 3213023130 in words is "three billion, two hundred thirteen million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 349 698 1047 1745 2094 3141 3490 5235 6282 10470 15705 31410 102293 204586 306879 511465 613758 920637 1022930 1534395 1841274 3068790 4603185 9206370 35700257 71400514 107100771 178501285 214201542 321302313 357002570 535503855 642604626 1071007710 1606511565 3213023130