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88121575748 = 2222030393937
BaseRepresentation
bin101001000010001110…
…1001000100101000100
322102110100021212110202
41102010131020211010
52420433110410443
6104252115110032
76236510015003
oct1220435104504
9272410255422
1088121575748
1134410372158
12150b38a2318
13840490413b
14439d64cc3a
15245b4d17b8
hex1484748944

88121575748 has 6 divisors (see below), whose sum is σ = 154212757566. Its totient is φ = 44060787872.

The previous prime is 88121575723. The next prime is 88121575781. The reversal of 88121575748 is 84757512188.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75700919044 + 12420656704 = 275138^2 + 111448^2 .

It is a super-2 number, since 2×881215757482 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88121575693 and 88121575702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015196965 + ... + 11015196972.

It is an arithmetic number, because the mean of its divisors is an integer number (25702126261).

Almost surely, 288121575748 is an apocalyptic number.

It is an amenable number.

88121575748 is a deficient number, since it is larger than the sum of its proper divisors (66091181818).

88121575748 is a wasteful number, since it uses less digits than its factorization.

88121575748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22030393941 (or 22030393939 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 56.

The spelling of 88121575748 in words is "eighty-eight billion, one hundred twenty-one million, five hundred seventy-five thousand, seven hundred forty-eight".

Divisors: 1 2 4 22030393937 44060787874 88121575748