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70705007405 = 515599070559
BaseRepresentation
bin100000111011001011…
…0001100101100101101
320202111112221112012222
41001312112030230231
52124300440214110
652251553405125
75052064434554
oct1016626145455
9222445845188
1070705007405
1127a9315161a
1211852b697a5
13688a51acb6
1435ca4d4d9b
151c8c471c55
hex107658cb2d

70705007405 has 8 divisors (see below), whose sum is σ = 84900441600. Its totient is φ = 56527717456.

The previous prime is 70705007357. The next prime is 70705007413. The reversal of 70705007405 is 50470050707.

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 70705007405 - 210 = 70705006381 is a prime.

It is a super-2 number, since 2×707050074052 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4527485 + ... + 4543074.

It is an arithmetic number, because the mean of its divisors is an integer number (10612555200).

Almost surely, 270705007405 is an apocalyptic number.

It is an amenable number.

70705007405 is a deficient number, since it is larger than the sum of its proper divisors (14195434195).

70705007405 is a wasteful number, since it uses less digits than its factorization.

70705007405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072123.

The product of its (nonzero) digits is 34300, while the sum is 35.

The spelling of 70705007405 in words is "seventy billion, seven hundred five million, seven thousand, four hundred five".

Divisors: 1 5 1559 7795 9070559 45352795 14141001481 70705007405