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102148436448 = 25371459597
BaseRepresentation
bin101111100100010000…
…1010111000111100000
3100202122220022020000000
41133020201113013200
53133144444431243
6114532031300000
710244222245422
oct1371041270740
9322586266000
10102148436448
113a359147213
121796937a600
13982b959106
144d30518812
1529ccb6d5d3
hex17c88571e0

102148436448 has 96 divisors (see below), whose sum is σ = 301611330720. Its totient is φ = 34049455488.

The previous prime is 102148436447. The next prime is 102148436477. The reversal of 102148436448 is 844634841201.

102148436448 is a `hidden beast` number, since 102 + 1 + 484 + 3 + 64 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102148436447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 659815 + ... + 799782.

It is an arithmetic number, because the mean of its divisors is an integer number (3141784695).

Almost surely, 2102148436448 is an apocalyptic number.

102148436448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102148436448 is an abundant number, since it is smaller than the sum of its proper divisors (199462894272).

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

102148436448 is an frugal number, since it uses more digits than its factorization.

102148436448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459628 (or 1459602 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 102148436448 in words is "one hundred two billion, one hundred forty-eight million, four hundred thirty-six thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 729 864 972 1296 1458 1944 2187 2592 2916 3888 4374 5832 7776 8748 11664 17496 23328 34992 69984 1459597 2919194 4378791 5838388 8757582 11676776 13136373 17515164 23353552 26272746 35030328 39409119 46707104 52545492 70060656 78818238 105090984 118227357 140121312 157636476 210181968 236454714 315272952 354682071 420363936 472909428 630545904 709364142 945818856 1064046213 1261091808 1418728284 1891637712 2128092426 2837456568 3192138639 3783275424 4256184852 5674913136 6384277278 8512369704 11349826272 12768554556 17024739408 25537109112 34049478816 51074218224 102148436448