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2872430041 = 131712997421
BaseRepresentation
bin1010101100110101…
…1100110111011001
321102011222120020211
42223031130313121
521340320230131
61153010051121
7131116152415
oct25315346731
97364876224
102872430041
111244459228
12681b79aa1
1336a139b60
141d36b9d45
1511c2955b1
hexab35cdd9

2872430041 has 8 divisors (see below), whose sum is σ = 3275350344. Its totient is φ = 2495504640.

The previous prime is 2872430027. The next prime is 2872430063. The reversal of 2872430041 is 1400342782.

It can be written as a sum of positive squares in 4 ways, for example, as 135047641 + 2737382400 = 11621^2 + 52320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2872430041 - 29 = 2872429529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2872429985 and 2872430012.

It is not an unprimeable number, because it can be changed into a prime (2872430941) 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 7 ways as a sum of consecutive naturals, for example, 6498490 + ... + 6498931.

It is an arithmetic number, because the mean of its divisors is an integer number (409418793).

Almost surely, 22872430041 is an apocalyptic number.

It is an amenable number.

2872430041 is a deficient number, since it is larger than the sum of its proper divisors (402920303).

2872430041 is a wasteful number, since it uses less digits than its factorization.

2872430041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997451.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2872430041 is about 53595.0561246091. The cubic root of 2872430041 is about 1421.5096754131.

The spelling of 2872430041 in words is "two billion, eight hundred seventy-two million, four hundred thirty thousand, forty-one".

Divisors: 1 13 17 221 12997421 168966473 220956157 2872430041