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4028767538041 = 19214927092
BaseRepresentation
bin111010101000000101010…
…000100000101101111001
3112021010221201220001100001
4322220011100200231321
51012001403442204131
612322442410113001
7564032421022321
oct72500520405571
915233851801301
104028767538041
1113136552777a4
1255097611b761
13232baca418ac
14dcdc9c08281
156ebe67d5261
hex3aa05420b79

4028767538041 has 27 divisors (see below), whose sum is σ = 4286742343821. Its totient is φ = 3785764398048.

The previous prime is 4028767538027. The next prime is 4028767538087. The reversal of 4028767538041 is 1408357678204.

The square root of 4028767538041 is 2007179.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2263908427641 + 1764859110400 = 1504629^2 + 1328480^2 .

It is not a de Polignac number, because 4028767538041 - 25 = 4028767538009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028767538641) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5682323395 + ... + 5682324103.

Almost surely, 24028767538041 is an apocalyptic number.

4028767538041 is the 2007179-th square number.

4028767538041 is the 1003590-th centered octagonal number.

It is an amenable number.

4028767538041 is a deficient number, since it is larger than the sum of its proper divisors (257974805780).

4028767538041 is an frugal number, since it uses more digits than its factorization.

4028767538041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 4028767538041 in words is "four trillion, twenty-eight billion, seven hundred sixty-seven million, five hundred thirty-eight thousand, forty-one".

Divisors: 1 19 149 361 709 2831 13471 22201 53789 105641 255949 421819 502681 2007179 8014561 9550939 15740509 38136401 74899469 181467841 299069671 1423089911 5682323749 11160020881 27038708309 212040396739 4028767538041