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33190630399161 = 3219203772
BaseRepresentation
bin1111000101111110010111…
…01111000001110010111001
311100111222211002200200101100
413202333023233001302321
513322243402340233121
6154331322021442013
76663641522324634
oct742771357016271
9140458732620340
1033190630399161
11a637081645164
123880696b70309
131569b2b0812c1
1482a613c1cc1b
153c8570109026
hex1e2fcbbc1cb9

33190630399161 has 9 divisors (see below), whose sum is σ = 47942046652591. Its totient is φ = 22127075410512.

The previous prime is 33190630399133. The next prime is 33190630399237. The reversal of 33190630399161 is 16199303609133.

The square root of 33190630399161 is 5761131.

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

33190630399161 is a `hidden beast` number, since 3 + 3 + 1 + 90 + 6 + 3 + 0 + 399 + 161 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19725723063225 + 13464907335936 = 4441365^2 + 3669456^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 33190630399161 - 225 = 33190596844729 is a prime.

It is a super-2 number, since 2×331906303991612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33190630399098 and 33190630399107.

It is not an unprimeable number, because it can be changed into a prime (33190630399361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16323205 + ... + 18243581.

Almost surely, 233190630399161 is an apocalyptic number.

33190630399161 is the 5761131-st square number.

33190630399161 is the 2880566-th centered octagonal number.

It is an amenable number.

33190630399161 is a deficient number, since it is larger than the sum of its proper divisors (14751416253430).

33190630399161 is an frugal number, since it uses more digits than its factorization.

33190630399161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840760 (or 1920380 counting only the distinct ones).

The product of its (nonzero) digits is 2125764, while the sum is 54.

The spelling of 33190630399161 in words is "thirty-three trillion, one hundred ninety billion, six hundred thirty million, three hundred ninety-nine thousand, one hundred sixty-one".

Divisors: 1 3 9 1920377 5761131 17283393 3687847822129 11063543466387 33190630399161