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102305450450 = 2527811736011
BaseRepresentation
bin101111101000111100…
…0010100100111010010
3100210001211202100201102
41133101320110213102
53134010143403300
6114555400504402
710251136660250
oct1372170244722
9323054670642
10102305450450
113a42983a155
12179b1a7b102
1398553426c8
144d4730b5d0
1529db8360d5
hex17d1e149d2

102305450450 has 48 divisors (see below), whose sum is σ = 217504989504. Its totient is φ = 35070859200.

The previous prime is 102305450411. The next prime is 102305450473. The reversal of 102305450450 is 54054503201.

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 23 ways as a sum of consecutive naturals, for example, 2822945 + ... + 2858955.

It is an arithmetic number, because the mean of its divisors is an integer number (4531353948).

Almost surely, 2102305450450 is an apocalyptic number.

102305450450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102305450450 is an abundant number, since it is smaller than the sum of its proper divisors (115199539054).

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

102305450450 is a wasteful number, since it uses less digits than its factorization.

102305450450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44147 (or 44142 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 102305450450 its reverse (54054503201), we get a palindrome (156359953651).

The spelling of 102305450450 in words is "one hundred two billion, three hundred five million, four hundred fifty thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 8117 16234 36011 40585 56819 72022 81170 113638 180055 202925 252077 284095 360110 405850 504154 568190 900275 1260385 1420475 1800550 2520770 2840950 6301925 12603850 292301287 584602574 1461506435 2046109009 2923012870 4092218018 7307532175 10230545045 14615064350 20461090090 51152725225 102305450450