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168070705 = 5113055831
BaseRepresentation
bin10100000010010…
…00111000110001
3102201020212122221
422001020320301
5321011230310
624402201041
74110402025
oct1201107061
9381225587
10168070705
1186965010
1248353181
1328a8812a
1418470385
15eb4dada
hexa048e31

168070705 has 8 divisors (see below), whose sum is σ = 220019904. Its totient is φ = 122233200.

The previous prime is 168070699. The next prime is 168070709. The reversal of 168070705 is 507070861.

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

It is not a de Polignac number, because 168070705 - 213 = 168062513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168070709) 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, 1527861 + ... + 1527970.

It is an arithmetic number, because the mean of its divisors is an integer number (27502488).

Almost surely, 2168070705 is an apocalyptic number.

It is an amenable number.

168070705 is a deficient number, since it is larger than the sum of its proper divisors (51949199).

168070705 is a wasteful number, since it uses less digits than its factorization.

168070705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055847.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 168070705 is about 12964.2086144894. The cubic root of 168070705 is about 551.8622330438.

The spelling of 168070705 in words is "one hundred sixty-eight million, seventy thousand, seven hundred five".

Divisors: 1 5 11 55 3055831 15279155 33614141 168070705