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70069543696 = 2443103988789
BaseRepresentation
bin100000101000001111…
…0000110001100010000
320200212021012121220001
41001100132012030100
52122000300344241
652104533255344
75030250202645
oct1012036061420
9220767177801
1070069543696
11277974812a9
12116b6194554
1367b8986579
143569d59dcc
151c5179b431
hex1050786310

70069543696 has 40 divisors (see below), whose sum is σ = 140265794240. Its totient is φ = 33887742336.

The previous prime is 70069543693. The next prime is 70069543697. The reversal of 70069543696 is 69634596007.

It is not an unprimeable number, because it can be changed into a prime (70069543693) 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, 423531 + ... + 565258.

It is an arithmetic number, because the mean of its divisors is an integer number (3506644856).

Almost surely, 270069543696 is an apocalyptic number.

It is an amenable number.

70069543696 is an abundant number, since it is smaller than the sum of its proper divisors (70196250544).

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

70069543696 is a wasteful number, since it uses less digits than its factorization.

70069543696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988943 (or 988937 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 70069543696 in words is "seventy billion, sixty-nine million, five hundred forty-three thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 43 86 103 172 206 344 412 688 824 1648 4429 8858 17716 35432 70864 988789 1977578 3955156 7910312 15820624 42517927 85035854 101845267 170071708 203690534 340143416 407381068 680286832 814762136 1629524272 4379346481 8758692962 17517385924 35034771848 70069543696