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78055405003 = 2310493235189
BaseRepresentation
bin100100010110001110…
…1101111010111001011
321110110211000102011001
41020230131233113023
52234324140430003
655505210115431
75432166665302
oct1105435572713
9243424012131
1078055405003
1130115272084
121316471bb77
13748c2b90a4
143ac67c3439
15206c90261d
hex122c76f5cb

78055405003 has 8 divisors (see below), whose sum is σ = 81526788000. Its totient is φ = 74590494528.

The previous prime is 78055404967. The next prime is 78055405019. The reversal of 78055405003 is 30050455087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78055405003 - 29 = 78055404491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78055405033) 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, 1593468 + ... + 1641721.

It is an arithmetic number, because the mean of its divisors is an integer number (10190848500).

Almost surely, 278055405003 is an apocalyptic number.

78055405003 is a deficient number, since it is larger than the sum of its proper divisors (3471382997).

78055405003 is a wasteful number, since it uses less digits than its factorization.

78055405003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236261.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 78055405003 in words is "seventy-eight billion, fifty-five million, four hundred five thousand, three".

Divisors: 1 23 1049 24127 3235189 74409347 3393713261 78055405003