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30123021424398 = 23710712752779071
BaseRepresentation
bin1101101100101100011111…
…11111011101011100001110
310221122201210011012122001220
412312112033333131130032
512422013421441040043
6144022154111144210
76226213360265130
oct666261777353416
9127581704178056
1030123021424398
11966411331a031
123466062b15066
1313a678659c6b6
14761d67ab5050
15373880156483
hex1b658ffdd70e

30123021424398 has 64 divisors (see below), whose sum is σ = 70043317567488. Its totient is φ = 8459007107040.

The previous prime is 30123021424357. The next prime is 30123021424423. The reversal of 30123021424398 is 89342412032103.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25818798 + ... + 26960273.

It is an arithmetic number, because the mean of its divisors is an integer number (1094426836992).

Almost surely, 230123021424398 is an apocalyptic number.

30123021424398 is an abundant number, since it is smaller than the sum of its proper divisors (39920296143090).

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

30123021424398 is a wasteful number, since it uses less digits than its factorization.

30123021424398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52779317.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 30123021424398 in words is "thirty trillion, one hundred twenty-three billion, twenty-one million, four hundred twenty-four thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 107 127 214 254 321 381 642 749 762 889 1498 1778 2247 2667 4494 5334 13589 27178 40767 81534 95123 190246 285369 570738 52779071 105558142 158337213 316674426 369453497 738906994 1108360491 2216720982 5647360597 6702942017 11294721194 13405884034 16942081791 20108826051 33884163582 39531524179 40217652102 46920594119 79063048358 93841188238 118594572537 140761782357 237189145074 281523564714 717214795819 1434429591638 2151644387457 4303288774914 5020503570733 10041007141466 15061510712199 30123021424398