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80061003769 = 4119126338873
BaseRepresentation
bin100101010010000000…
…0011111011111111001
321122122120220101102211
41022210000133133321
52302431104110034
6100440213055121
75532662206105
oct1124400373771
9248576811384
1080061003769
1130a5439311a
12136243274a1
13771b973916
143c36cd8905
152138a1dd64
hex12a401f7f9

80061003769 has 16 divisors (see below), whose sum is σ = 82758703104. Its totient is φ = 77401926400.

The previous prime is 80061003751. The next prime is 80061003901. The reversal of 80061003769 is 96730016008.

It is a cyclic number.

It is not a de Polignac number, because 80061003769 - 29 = 80061003257 is a prime.

It is a super-2 number, since 2×800610037692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80061003739) 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 15 ways as a sum of consecutive naturals, for example, 2040117 + ... + 2078989.

It is an arithmetic number, because the mean of its divisors is an integer number (5172418944).

Almost surely, 280061003769 is an apocalyptic number.

It is an amenable number.

80061003769 is a deficient number, since it is larger than the sum of its proper divisors (2697699335).

80061003769 is a wasteful number, since it uses less digits than its factorization.

80061003769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39368.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 80061003769 in words is "eighty billion, sixty-one million, three thousand, seven hundred sixty-nine".

Divisors: 1 41 191 263 7831 10783 38873 50233 1593793 2059553 7424743 10223599 304414463 419167559 1952707409 80061003769