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70210312705 = 5136726216151
BaseRepresentation
bin100000101100011011…
…1000101101000000001
320201020002002102200001
41001120313011220001
52122242320001310
652130522400001
75033606545141
oct1013067055001
9221202072601
1070210312705
1127859989125
1211735360001
13680bba2940
143580920921
151c5dd0593a
hex1058dc5a01

70210312705 has 32 divisors (see below), whose sum is σ = 92137667328. Its totient is φ = 51045984000.

The previous prime is 70210312687. The next prime is 70210312721. The reversal of 70210312705 is 50721301207.

It is not a de Polignac number, because 70210312705 - 27 = 70210312577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11411380 + ... + 11417530.

It is an arithmetic number, because the mean of its divisors is an integer number (2879302104).

Almost surely, 270210312705 is an apocalyptic number.

It is an amenable number.

70210312705 is a deficient number, since it is larger than the sum of its proper divisors (21927354623).

70210312705 is a wasteful number, since it uses less digits than its factorization.

70210312705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857.

The product of its (nonzero) digits is 2940, while the sum is 28.

The spelling of 70210312705 in words is "seventy billion, two hundred ten million, three hundred twelve thousand, seven hundred five".

Divisors: 1 5 13 65 67 335 871 2621 4355 6151 13105 30755 34073 79963 170365 175607 399815 412117 878035 2060585 2282891 5357521 11414455 16121771 26787605 80608855 209583023 1047915115 1080158657 5400793285 14042062541 70210312705