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80510128701038 = 2231750220189153
BaseRepresentation
bin10010010011100100111001…
…100111110011111001101110
3101120001200201022000001121222
4102103210321213303321232
541023034220421413123
6443121501553023342
722646444020412441
oct2223447147637156
9346050638001558
1080510128701038
1123720176836643
12904349b254b52
1335c00c354c8ca
1415c49d507d658
159493be89d6c8
hex4939399f3e6e

80510128701038 has 8 divisors (see below), whose sum is σ = 126015853619088. Its totient is φ = 38504844161344.

The previous prime is 80510128701031. The next prime is 80510128701053. The reversal of 80510128701038 is 83010782101508.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80510128701038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80510128701031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875110094531 + ... + 875110094622.

It is an arithmetic number, because the mean of its divisors is an integer number (15751981702386).

Almost surely, 280510128701038 is an apocalyptic number.

80510128701038 is a deficient number, since it is larger than the sum of its proper divisors (45505724918050).

80510128701038 is a wasteful number, since it uses less digits than its factorization.

80510128701038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750220189178.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 80510128701038 in words is "eighty trillion, five hundred ten billion, one hundred twenty-eight million, seven hundred one thousand, thirty-eight".

Divisors: 1 2 23 46 1750220189153 3500440378306 40255064350519 80510128701038