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12173379630 = 235586769163
BaseRepresentation
bin10110101011001011…
…10000100000101110
31011102101100202111020
423111211300200232
5144412341122010
65331541435010
7610445006466
oct132545604056
934371322436
1012173379630
115187612325
122438a0ba66
1311c005b219
14836a70ba6
154b3abc470
hex2d597082e

12173379630 has 32 divisors (see below), whose sum is σ = 29221513344. Its totient is φ = 3245634336.

The previous prime is 12173379607. The next prime is 12173379637. The reversal of 12173379630 is 3697337121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173379637) 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, 141429 + ... + 210591.

It is an arithmetic number, because the mean of its divisors is an integer number (913172292).

Almost surely, 212173379630 is an apocalyptic number.

12173379630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12173379630 is an abundant number, since it is smaller than the sum of its proper divisors (17048133714).

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

12173379630 is a wasteful number, since it uses less digits than its factorization.

12173379630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75040.

The product of its (nonzero) digits is 142884, while the sum is 42.

The spelling of 12173379630 in words is "twelve billion, one hundred seventy-three million, three hundred seventy-nine thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5867 11734 17601 29335 35202 58670 69163 88005 138326 176010 207489 345815 414978 691630 1037445 2074890 405779321 811558642 1217337963 2028896605 2434675926 4057793210 6086689815 12173379630