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220023141455154 = 23151242851149509
BaseRepresentation
bin110010000001110000100001…
…001100000101010100110010
31001212001000012000211021210210
4302001300201030011110302
5212314324343203031104
62055541122533204550
764226101361426622
oct6201604114052462
91055030160737723
10220023141455154
11641193213a6134
1220815b60a90756
1395a0129a2b53b
143c49269472882
151a68490877989
hexc81c21305532

220023141455154 has 16 divisors (see below), whose sum is σ = 442960496706240. Its totient is φ = 72855344852400.

The previous prime is 220023141454939. The next prime is 220023141455177. The reversal of 220023141455154 is 451554141320022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121425573849 + ... + 121425575660.

It is an arithmetic number, because the mean of its divisors is an integer number (27685031044140).

Almost surely, 2220023141455154 is an apocalyptic number.

220023141455154 is an abundant number, since it is smaller than the sum of its proper divisors (222937355251086).

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

220023141455154 is a wasteful number, since it uses less digits than its factorization.

220023141455154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242851149665.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 220023141455154 its reverse (451554141320022), we get a palindrome (671577282775176).

The spelling of 220023141455154 in words is "two hundred twenty trillion, twenty-three billion, one hundred forty-one million, four hundred fifty-five thousand, one hundred fifty-four".

Divisors: 1 2 3 6 151 302 453 906 242851149509 485702299018 728553448527 1457106897054 36670523575859 73341047151718 110011570727577 220023141455154