Search a number
-
+
305450613101642 = 21770912671144657
BaseRepresentation
bin100010101110011100100001…
…1010010100101010001001010
31111001111210102102010001020012
41011130321003102211101022
5310014000323423223032
63001350024031231522
7121224035640423311
oct10534710322452112
91431453372101205
10305450613101642
11893649720187a8
122a3124603785a2
1310158b3b8ac268
14555dc622a9278
15254a7110786b2
hex115ce434a544a

305450613101642 has 16 divisors (see below), whose sum is σ = 485811686187720. Its totient is φ = 143538726663168.

The previous prime is 305450613101609. The next prime is 305450613101717. The reversal of 305450613101642 is 246101316054503.

It can be written as a sum of positive squares in 4 ways, for example, as 251996543611201 + 53454069490441 = 15874399^2 + 7311229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 305450613101642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6335548223 + ... + 6335596434.

Almost surely, 2305450613101642 is an apocalyptic number.

305450613101642 is a deficient number, since it is larger than the sum of its proper divisors (180361073086078).

305450613101642 is a wasteful number, since it uses less digits than its factorization.

305450613101642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671145385.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 305450613101642 in words is "three hundred five trillion, four hundred fifty billion, six hundred thirteen million, one hundred one thousand, six hundred forty-two".

Divisors: 1 2 17 34 709 1418 12053 24106 12671144657 25342289314 215409459169 430818918338 8983841561813 17967683123626 152725306550821 305450613101642