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30540125212144 = 2429312123201141
BaseRepresentation
bin1101111000110101011010…
…10100001000110111110000
311000010121101211120102222221
412330122231110020313300
513000332134023242034
6144541535001010424
76301310526056422
oct674325524106760
9130117354512887
1030540125212144
119804aa35592a9
123512a6a183a14
131406bc956c9b2
14778215652812
1537e6433c8bb4
hex1bc6ad508df0

30540125212144 has 40 divisors (see below), whose sum is σ = 63186465985920. Its totient is φ = 14267911660800.

The previous prime is 30540125212123. The next prime is 30540125212153. The reversal of 30540125212144 is 44121252104503.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061586187 + ... + 1061614954.

It is an arithmetic number, because the mean of its divisors is an integer number (1579661649648).

Almost surely, 230540125212144 is an apocalyptic number.

It is an amenable number.

30540125212144 is an abundant number, since it is smaller than the sum of its proper divisors (32646340773776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30540125212144 is a wasteful number, since it uses less digits than its factorization.

30540125212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123201209 (or 2123201203 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 30540125212144 its reverse (44121252104503), we get a palindrome (74661377316647).

The spelling of 30540125212144 in words is "thirty trillion, five hundred forty billion, one hundred twenty-five million, two hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 29 31 58 62 116 124 232 248 464 496 899 1798 3596 7192 14384 2123201141 4246402282 8492804564 16985609128 33971218256 61572833089 65819235371 123145666178 131638470742 246291332356 263276941484 492582664712 526553882968 985165329424 1053107765936 1908757825759 3817515651518 7635031303036 15270062606072 30540125212144