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70547311438 = 2151283825443
BaseRepresentation
bin100000110110011110…
…0101000101101001110
320202002120012202000121
41001230330220231032
52123440102431223
652224201415154
75045141152552
oct1015474505516
9222076182017
1070547311438
1127a1213327a
121180a19a4ba
136863956186
1435b35a5862
151c7d6c215d
hex106cf28b4e

70547311438 has 16 divisors (see below), whose sum is σ = 106898299776. Its totient is φ = 34916196600.

The previous prime is 70547311427. The next prime is 70547311459. The reversal of 70547311438 is 83411374507.

It is a happy number.

It is a super-2 number, since 2×705473114382 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70547311394 and 70547311403.

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, 327256 + ... + 498187.

It is an arithmetic number, because the mean of its divisors is an integer number (6681143736).

Almost surely, 270547311438 is an apocalyptic number.

70547311438 is a deficient number, since it is larger than the sum of its proper divisors (36350988338).

70547311438 is a wasteful number, since it uses less digits than its factorization.

70547311438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825879.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 70547311438 in words is "seventy billion, five hundred forty-seven million, three hundred eleven thousand, four hundred thirty-eight".

Divisors: 1 2 151 283 302 566 42733 85466 825443 1650886 124641893 233600369 249283786 467200738 35273655719 70547311438