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478955990375 = 53229115114537
BaseRepresentation
bin1101111100001000000…
…00000110110101100111
31200210021021012021000122
412332010000012311213
530321400213143000
61004010201032155
746413655513532
oct6760400066547
91623237167018
10478955990375
11175140196605
12789a948565b
133621c397385
1419278415a19
15c6d33e1085
hex6f84006d67

478955990375 has 32 divisors (see below), whose sum is σ = 600910202880. Its totient is φ = 381133920000.

The previous prime is 478955990371. The next prime is 478955990417. The reversal of 478955990375 is 573099559874.

It is not a de Polignac number, because 478955990375 - 22 = 478955990371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478955990299 and 478955990308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478955990371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32940107 + ... + 32954643.

It is an arithmetic number, because the mean of its divisors is an integer number (18778443840).

Almost surely, 2478955990375 is an apocalyptic number.

478955990375 is a deficient number, since it is larger than the sum of its proper divisors (121954212505).

478955990375 is a wasteful number, since it uses less digits than its factorization.

478955990375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15932 (or 15922 counting only the distinct ones).

The product of its (nonzero) digits is 428652000, while the sum is 71.

The spelling of 478955990375 in words is "four hundred seventy-eight billion, nine hundred fifty-five million, nine hundred ninety thousand, three hundred seventy-five".

Divisors: 1 5 25 125 229 1145 1151 5725 5755 14537 28625 28775 72685 143875 263579 363425 1317895 1817125 3328973 6589475 16644865 16732087 32947375 83224325 83660435 416121625 418302175 2091510875 3831647923 19158239615 95791198075 478955990375