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70091295440 = 245881999347
BaseRepresentation
bin100000101000111000…
…1000100101011010000
320200220210010201200012
41001101301010223100
52122021332423230
652111031414052
75030633116055
oct1012161045320
9220823121605
1070091295440
11277a8788751
1211701524328
1367c033111a
14356cbbd02c
151c53646395
hex1051c44ad0

70091295440 has 40 divisors (see below), whose sum is σ = 162982380960. Its totient is φ = 28033056896.

The previous prime is 70091295401. The next prime is 70091295479. The reversal of 70091295440 is 4459219007.

It is an interprime number because it is at equal distance from previous prime (70091295401) and next prime (70091295479).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655847 + ... + 755193.

It is an arithmetic number, because the mean of its divisors is an integer number (4074559524).

Almost surely, 270091295440 is an apocalyptic number.

It is an amenable number.

70091295440 is an abundant number, since it is smaller than the sum of its proper divisors (92891085520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70091295440 is a wasteful number, since it uses less digits than its factorization.

70091295440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108179 (or 108173 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 70091295440 in words is "seventy billion, ninety-one million, two hundred ninety-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 8819 17638 35276 44095 70552 88190 99347 141104 176380 198694 352760 397388 496735 705520 794776 993470 1589552 1986940 3973880 7947760 876141193 1752282386 3504564772 4380705965 7009129544 8761411930 14018259088 17522823860 35045647720 70091295440