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20122555000015 = 5131873165284447
BaseRepresentation
bin1001001001101001001011…
…01111100010010011001111
32122020200211110022120021101
410210310211233202103033
510114141443040000030
6110444101341043531
74144543446233626
oct444644557422317
978220743276241
1020122555000015
116458a22781516
12230ba76b565a7
13b2c719916720
144d7d18a506bd
1524d6792cd7ca
hex124d25be24cf

20122555000015 has 16 divisors (see below), whose sum is σ = 26018416666368. Its totient is φ = 14851799179776.

The previous prime is 20122554999971. The next prime is 20122555000049. The reversal of 20122555000015 is 51000055522102.

It is not a de Polignac number, because 20122555000015 - 215 = 20122554967247 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 82520479 + ... + 82763968.

It is an arithmetic number, because the mean of its divisors is an integer number (1626151041648).

Almost surely, 220122555000015 is an apocalyptic number.

20122555000015 is a deficient number, since it is larger than the sum of its proper divisors (5895861666353).

20122555000015 is a wasteful number, since it uses less digits than its factorization.

20122555000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165286338.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 20122555000015 in words is "twenty trillion, one hundred twenty-two billion, five hundred fifty-five million, fifteen", and thus it is an aban number.

Divisors: 1 5 13 65 1873 9365 24349 121745 165284447 826422235 2148697811 10743489055 309577769231 1547888846155 4024511000003 20122555000015