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89318746400 = 2552138588341
BaseRepresentation
bin101001100101111001…
…1111110100100100000
322112112202222102212112
41103023303332210200
52430411044341100
6105011002414452
76311254550312
oct1231363764440
9275482872775
1089318746400
1134975116194
1215388801428
138565947840
1444746437b2
1524cb65db35
hex14cbcfe920

89318746400 has 72 divisors (see below), whose sum is σ = 234822446964. Its totient is φ = 32979225600.

The previous prime is 89318746399. The next prime is 89318746403. The reversal of 89318746400 is 464781398.

It can be written as a sum of positive squares in 6 ways, for example, as 8410357264 + 80908389136 = 91708^2 + 284444^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (89318746403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4283771 + ... + 4304570.

Almost surely, 289318746400 is an apocalyptic number.

89318746400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89318746400 is an abundant number, since it is smaller than the sum of its proper divisors (145503700564).

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

89318746400 is a wasteful number, since it uses less digits than its factorization.

89318746400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588374 (or 8588361 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 89318746400 in words is "eighty-nine billion, three hundred eighteen million, seven hundred forty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 200 208 260 325 400 416 520 650 800 1040 1300 2080 2600 5200 10400 8588341 17176682 34353364 42941705 68706728 85883410 111648433 137413456 171766820 214708525 223296866 274826912 343533640 429417050 446593732 558242165 687067280 858834100 893187464 1116484330 1374134560 1717668200 1786374928 2232968660 2791210825 3435336400 3572749856 4465937320 5582421650 6870672800 8931874640 11164843300 17863749280 22329686600 44659373200 89318746400