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30851173124405 = 5231092461202483
BaseRepresentation
bin1110000001111000110010…
…01101110000100100110101
311001020100021022002120020122
413000330121031300210311
513020431200304440110
6145340455553141325
76332631554515604
oct700743115604465
9131210238076218
1030851173124405
1199149aaa385a7
1235631b755a845
13142a33a1ccc9a
147892c1b77a3b
1538779a93d255
hex1c0f19370935

30851173124405 has 16 divisors (see below), whose sum is σ = 38985447346560. Its totient is φ = 23391268388928.

The previous prime is 30851173124381. The next prime is 30851173124419. The reversal of 30851173124405 is 50442137115803.

It is a cyclic number.

It is not a de Polignac number, because 30851173124405 - 224 = 30851156347189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230588707 + ... + 1230613776.

It is an arithmetic number, because the mean of its divisors is an integer number (2436590459160).

Almost surely, 230851173124405 is an apocalyptic number.

It is an amenable number.

30851173124405 is a deficient number, since it is larger than the sum of its proper divisors (8134274222155).

30851173124405 is a wasteful number, since it uses less digits than its factorization.

30851173124405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461202620.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 30851173124405 in words is "thirty trillion, eight hundred fifty-one billion, one hundred seventy-three million, one hundred twenty-four thousand, four hundred five".

Divisors: 1 5 23 109 115 545 2507 12535 2461202483 12306012415 56607657109 268271070647 283038285545 1341355353235 6170234624881 30851173124405