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88788613318441 = 2143243972
BaseRepresentation
bin10100001100000010110101…
…110000011100011100101001
3102122101002221010022210212021
4110030002311300130130221
543114203040002142231
6512500531552544441
724462523415544361
oct2414026560343451
9378332833283767
1088788613318441
112632204855a743
129b5b9b2b52121
133a7096564ac3a
1417cd56b1cd9a1
15a3e8e01be811
hex50c0b5c1c729

88788613318441 has 9 divisors (see below), whose sum is σ = 88850271596151. Its totient is φ = 88726997818872.

The previous prime is 88788613318393. The next prime is 88788613318501. The reversal of 88788613318441 is 14481331688788.

The square root of 88788613318441 is 9422771.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42581301939225 + 46207311379216 = 6525435^2 + 6797596^2 .

It is not a de Polignac number, because 88788613318441 - 211 = 88788613316393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88788613348441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20192996055 + ... + 20193000451.

Almost surely, 288788613318441 is an apocalyptic number.

88788613318441 is the 9422771-st square number.

88788613318441 is the 4711386-th centered octagonal number.

It is an amenable number.

88788613318441 is a deficient number, since it is larger than the sum of its proper divisors (61658277710).

88788613318441 is an frugal number, since it uses more digits than its factorization.

88788613318441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080 (or 6540 counting only the distinct ones).

The product of its digits is 198180864, while the sum is 70.

The spelling of 88788613318441 in words is "eighty-eight trillion, seven hundred eighty-eight billion, six hundred thirteen million, three hundred eighteen thousand, four hundred forty-one".

Divisors: 1 2143 4397 4592449 9422771 19333609 20192998253 41431924087 88788613318441