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102143753448 = 23311386908157
BaseRepresentation
bin101111100100000111…
…1011111110011101000
3100202122120111022010120
41133020033133303220
53133142300102243
6114531343043240
710244134402362
oct1371017376350
9322576438116
10102143753448
113a356538870
12179678a0520
13982a9a96c9
144d2da59d32
1529cc545c83
hex17c83dfce8

102143753448 has 32 divisors (see below), whose sum is σ = 278573873760. Its totient is φ = 30952652480.

The previous prime is 102143753441. The next prime is 102143753471. The reversal of 102143753448 is 844357341201.

102143753448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102143753441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193453815 + ... + 193454342.

It is an arithmetic number, because the mean of its divisors is an integer number (8705433555).

Almost surely, 2102143753448 is an apocalyptic number.

It is an amenable number.

102143753448 is an abundant number, since it is smaller than the sum of its proper divisors (176430120312).

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

102143753448 is a wasteful number, since it uses less digits than its factorization.

102143753448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386908177 (or 386908173 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 102143753448 in words is "one hundred two billion, one hundred forty-three million, seven hundred fifty-three thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 386908157 773816314 1160724471 1547632628 2321448942 3095265256 4255989727 4642897884 8511979454 9285795768 12767969181 17023958908 25535938362 34047917816 51071876724 102143753448