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490701928769 = 1343997857929
BaseRepresentation
bin1110010010000000001…
…11010011100101000001
31201220120212020202100222
413021000013103211001
531014424143210034
61013231513152425
750311023401063
oct7110007234501
91656525222328
10490701928769
1117a11849aa08
127b1270bb715
13373719c6890
1419a703bb733
15cb6e6c912e
hex72401d3941

490701928769 has 8 divisors (see below), whose sum is σ = 528460857960. Its totient is φ = 452944803456.

The previous prime is 490701928751. The next prime is 490701928771. The reversal of 490701928769 is 967829107094.

It can be written as a sum of positive squares in 4 ways, for example, as 74821396225 + 415880532544 = 273535^2 + 644888^2 .

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 490701928769 - 216 = 490701863233 is a prime.

It is a super-2 number, since 2×4907019287692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490701928169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142997 + ... + 1000925.

It is an arithmetic number, because the mean of its divisors is an integer number (66057607245).

Almost surely, 2490701928769 is an apocalyptic number.

It is an amenable number.

490701928769 is a deficient number, since it is larger than the sum of its proper divisors (37758929191).

490701928769 is a wasteful number, since it uses less digits than its factorization.

490701928769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901939.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 490701928769 in words is "four hundred ninety billion, seven hundred one million, nine hundred twenty-eight thousand, seven hundred sixty-nine".

Divisors: 1 13 43997 571961 857929 11153077 37746302213 490701928769