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70238692724 = 2289291966589
BaseRepresentation
bin100000101101010001…
…1010110010101110100
320201022001111021201212
41001122203112111310
52122322101131344
652133414540552
75034403015544
oct1013243262564
9221261437655
1070238692724
1127873a02492
1211742967758
136814a2b455
1435845cb324
151c6155e79e
hex105a8d6574

70238692724 has 12 divisors (see below), whose sum is σ = 122931540900. Its totient is φ = 35115395328.

The previous prime is 70238692721. The next prime is 70238692747. The reversal of 70238692724 is 42729683207.

It can be written as a sum of positive squares in 2 ways, for example, as 2169882724 + 68068810000 = 46582^2 + 260900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70238692721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947579 + ... + 1019010.

It is an arithmetic number, because the mean of its divisors is an integer number (10244295075).

Almost surely, 270238692724 is an apocalyptic number.

It is an amenable number.

70238692724 is a deficient number, since it is larger than the sum of its proper divisors (52692848176).

70238692724 is a wasteful number, since it uses less digits than its factorization.

70238692724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975522 (or 1975520 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 70238692724 in words is "seventy billion, two hundred thirty-eight million, six hundred ninety-two thousand, seven hundred twenty-four".

Divisors: 1 2 4 8929 17858 35716 1966589 3933178 7866356 17559673181 35119346362 70238692724