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1830730260561 = 31395413381101
BaseRepresentation
bin11010101001000000000…
…001101110000001010001
320111000102201222011000020
4122221000001232001101
5214443313421314221
63521005331014053
7246160126313316
oct32510001560121
96430381864006
101830730260561
11646454561244
12256983a3a329
131038389b3137
1464871bcad0d
153294c830ac6
hex1aa4006e051

1830730260561 has 16 divisors (see below), whose sum is σ = 2458610374080. Its totient is φ = 1211669035200.

The previous prime is 1830730260551. The next prime is 1830730260581. The reversal of 1830730260561 is 1650620370381.

It is not a de Polignac number, because 1830730260561 - 210 = 1830730259537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1830730260551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22532911 + ... + 22614011.

It is an arithmetic number, because the mean of its divisors is an integer number (153663148380).

Almost surely, 21830730260561 is an apocalyptic number.

It is an amenable number.

1830730260561 is a deficient number, since it is larger than the sum of its proper divisors (627880113519).

1830730260561 is a wasteful number, since it uses less digits than its factorization.

1830730260561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135376.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1830730260561 in words is "one trillion, eight hundred thirty billion, seven hundred thirty million, two hundred sixty thousand, five hundred sixty-one".

Divisors: 1 3 139 417 54133 81101 162399 243303 7524487 11273039 22573461 33819117 4390240433 13170721299 610243420187 1830730260561