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180613100196 = 223219323672
BaseRepresentation
bin1010100000110101100…
…0010011001010100100
3122021012020102010121100
42220031120103022210
510424343423201241
6214550021320100
716022522010144
oct2501530231244
9567166363540
10180613100196
116a663428461
122b006b66030
1314054978b29
148a553d2924
154a714629b6
hex2a0d6132a4

180613100196 has 81 divisors (see below), whose sum is σ = 460181471841. Its totient is φ = 59729232384.

The previous prime is 180613100183. The next prime is 180613100197. The reversal of 180613100196 is 691001316081.

It is a happy number.

The square root of 180613100196 is 424986.

It is a perfect power (a square), and thus also a powerful number.

180613100196 is a `hidden beast` number, since 18 + 0 + 613 + 10 + 0 + 19 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43760456100 + 136852644096 = 209190^2 + 369936^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 180613100196.

It is not an unprimeable number, because it can be changed into a prime (180613100197) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 492133605 + ... + 492133971.

Almost surely, 2180613100196 is an apocalyptic number.

180613100196 is the 424986-th square number.

It is an amenable number.

180613100196 is an abundant number, since it is smaller than the sum of its proper divisors (279568371645).

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

180613100196 is an equidigital number, since it uses as much as digits as its factorization.

180613100196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

Multiplying 180613100196 by its sum of digits (36), we get a square (6502071607056 = 25499162).

180613100196 divided by its sum of digits (36) gives a square (5017030561 = 708312).

The spelling of 180613100196 in words is "one hundred eighty billion, six hundred thirteen million, one hundred thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 193 367 386 579 734 772 1101 1158 1468 1737 2202 2316 3303 3474 4404 6606 6948 13212 37249 70831 74498 111747 134689 141662 148996 212493 223494 269378 283324 335241 404067 424986 446988 538756 637479 670482 808134 849972 1212201 1274958 1340964 1616268 2424402 2549916 4848804 13670383 25994977 27340766 41011149 51989954 54681532 77984931 82022298 103979908 123033447 155969862 164044596 233954793 246066894 311939724 467909586 492133788 935819172 5017030561 10034061122 15051091683 20068122244 30102183366 45153275049 60204366732 90306550098 180613100196