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127752742302601 = 1328837340782121
BaseRepresentation
bin11101000011000011000000…
…110100101111001110001001
3121202100001011021011222122111
4131003003000310233032021
5113221100104012140401
61131412444414222321
735623555022355103
oct3503030064571611
9552301137158574
10127752742302601
11377846a7582789
12123b3406ab49a1
13563905513a2c0
1423793a11c2573
15eb821e3e0e51
hex7430c0d2f389

127752742302601 has 8 divisors (see below), whose sum is σ = 137584647679304. Its totient is φ = 117921518547840.

The previous prime is 127752742302589. The next prime is 127752742302623. The reversal of 127752742302601 is 106203247257721.

It can be written as a sum of positive squares in 4 ways, for example, as 114717012601 + 127638025290000 = 338699^2 + 11297700^2 .

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 127752742302601 - 223 = 127752733913993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127752842302601) 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, 170016180 + ... + 170765941.

It is an arithmetic number, because the mean of its divisors is an integer number (17198080959913).

Almost surely, 2127752742302601 is an apocalyptic number.

It is an amenable number.

127752742302601 is a deficient number, since it is larger than the sum of its proper divisors (9831905376703).

127752742302601 is a wasteful number, since it uses less digits than its factorization.

127752742302601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340810971.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 127752742302601 in words is "one hundred twenty-seven trillion, seven hundred fifty-two billion, seven hundred forty-two million, three hundred two thousand, six hundred one".

Divisors: 1 13 28837 374881 340782121 4430167573 9827134023277 127752742302601