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20123100430024 = 2343263401955343
BaseRepresentation
bin1001001001101010001100…
…10000001011111011001000
32122020202020110122021120211
410210311012100023323020
510114144102202230044
6110444231423330504
74144563121302604
oct444650620137310
978222213567524
1020123100430024
116459182648119
12230bba9750a34
13b2c7a5916a87
144d7d6b270504
1524d6ac11c634
hex124d4640bec8

20123100430024 has 64 divisors (see below), whose sum is σ = 38765417011200. Its totient is φ = 9787580690496.

The previous prime is 20123100430021. The next prime is 20123100430033. The reversal of 20123100430024 is 42003400132102.

It is a junction number, because it is equal to n+sod(n) for n = 20123100429977 and 20123100430004.

It is not an unprimeable number, because it can be changed into a prime (20123100430021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363579297 + ... + 363634639.

It is an arithmetic number, because the mean of its divisors is an integer number (605709640800).

Almost surely, 220123100430024 is an apocalyptic number.

It is an amenable number.

20123100430024 is a deficient number, since it is larger than the sum of its proper divisors (18642316581176).

20123100430024 is a wasteful number, since it uses less digits than its factorization.

20123100430024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59674 (or 59670 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20123100430024 its reverse (42003400132102), we get a palindrome (62126500562126).

The spelling of 20123100430024 in words is "twenty trillion, one hundred twenty-three billion, one hundred million, four hundred thirty thousand, twenty-four".

Divisors: 1 2 4 8 43 86 172 263 344 526 1052 2104 4019 8038 11309 16076 22618 32152 45236 55343 90472 110686 172817 221372 345634 442744 691268 1056997 1382536 2113994 2379749 4227988 4759498 8455976 9518996 14555209 19037992 29110418 45450871 58220836 90901742 116441672 181803484 222423517 363606968 444847034 625873987 889694068 1251747974 1779388136 2503495948 5006991896 9564211231 19128422462 38256844924 58497384971 76513689848 116994769942 233989539884 467979079768 2515387553753 5030775107506 10061550215012 20123100430024