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88408552148 = 22719166181489
BaseRepresentation
bin101001001010110001…
…1110111001011010100
322110012100021210002022
41102111203313023110
52422030042132043
6104340410032312
76246563202620
oct1222543671324
9273170253068
1088408552148
1134548360834
1215173a18698
13844c1c2067
1443c97d2180
1524767bb868
hex14958f72d4

88408552148 has 24 divisors (see below), whose sum is σ = 186123268800. Its totient is φ = 35895201408.

The previous prime is 88408552123. The next prime is 88408552151. The reversal of 88408552148 is 84125580488.

It is a self number, because there is not a number n which added to its sum of digits gives 88408552148.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83090213 + ... + 83091276.

It is an arithmetic number, because the mean of its divisors is an integer number (7755136200).

Almost surely, 288408552148 is an apocalyptic number.

It is an amenable number.

88408552148 is an abundant number, since it is smaller than the sum of its proper divisors (97714716652).

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

88408552148 is a wasteful number, since it uses less digits than its factorization.

88408552148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166181519 (or 166181517 counting only the distinct ones).

The product of its (nonzero) digits is 3276800, while the sum is 53.

The spelling of 88408552148 in words is "eighty-eight billion, four hundred eight million, five hundred fifty-two thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 166181489 332362978 664725956 1163270423 2326540846 3157448291 4653081692 6314896582 12629793164 22102138037 44204276074 88408552148