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670432430170345 = 51627207473972301
BaseRepresentation
bin1001100001110000010011011…
…0110110001010000011101001
310020220210201021210011122212211
42120130010312312022003221
51200333331104110422340
610333520223451205121
7261134100416564623
oct23034046666120351
93226721253148784
10670432430170345
1118469088476a437
126323a3684467a1
1322a1267883706b
14bb7b161d75c13
15527974571b5ea
hex261c136d8a0e9

670432430170345 has 16 divisors (see below), whose sum is σ = 805052400280128. Its totient is φ = 535990320043200.

The previous prime is 670432430170331. The next prime is 670432430170351. The reversal of 670432430170345 is 543071034234076.

It is a happy number.

It is not a de Polignac number, because 670432430170345 - 25 = 670432430170313 is a prime.

It is a super-2 number, since 2×6704324301703452 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166790695 + ... + 170762995.

It is an arithmetic number, because the mean of its divisors is an integer number (50315775017508).

Almost surely, 2670432430170345 is an apocalyptic number.

It is an amenable number.

670432430170345 is a deficient number, since it is larger than the sum of its proper divisors (134619970109783).

670432430170345 is a wasteful number, since it uses less digits than its factorization.

670432430170345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994680.

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 670432430170345 in words is "six hundred seventy trillion, four hundred thirty-two billion, four hundred thirty million, one hundred seventy thousand, three hundred forty-five".

Divisors: 1 5 1627 8135 20747 103735 3972301 19861505 33755369 168776845 6462933727 32314668635 82413328847 412066644235 134086486034069 670432430170345