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70316943281 = 135719472847
BaseRepresentation
bin100000101111100110…
…1110110011110110001
320201111111201211022122
41001133031312132301
52123002114141111
652145252044025
75036343104354
oct1013715663661
9221444654278
1070316943281
1127904099272
1211765003615
136827cc8460
143590b5a29b
151c68369cdb
hex105f3767b1

70316943281 has 8 divisors (see below), whose sum is σ = 75858566784. Its totient is φ = 64794266640.

The previous prime is 70316943253. The next prime is 70316943289. The reversal of 70316943281 is 18234961307.

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 70316943281 - 26 = 70316943217 is a prime.

It is a super-2 number, since 2×703169432812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70316943289) 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, 4729001 + ... + 4743846.

It is an arithmetic number, because the mean of its divisors is an integer number (9482320848).

Almost surely, 270316943281 is an apocalyptic number.

It is an amenable number.

70316943281 is a deficient number, since it is larger than the sum of its proper divisors (5541623503).

70316943281 is a wasteful number, since it uses less digits than its factorization.

70316943281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473431.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 70316943281 in words is "seventy billion, three hundred sixteen million, nine hundred forty-three thousand, two hundred eighty-one".

Divisors: 1 13 571 7423 9472847 123147011 5408995637 70316943281