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70052052321 = 32131229725867
BaseRepresentation
bin100000100111101101…
…1010111110101100001
320200211001021222020100
41001033123113311201
52121431311133241
652103110333013
75026645422456
oct1011733276541
9220731258210
1070052052321
1127788614819
12116b035a169
1367b5170c44
1435678c582d
151c4ee939b6
hex104f6d7d61

70052052321 has 24 divisors (see below), whose sum is σ = 102007043424. Its totient is φ = 46322902080.

The previous prime is 70052052277. The next prime is 70052052331. The reversal of 70052052321 is 12325025007.

70052052321 is a `hidden beast` number, since 70 + 0 + 52 + 0 + 523 + 21 = 666.

It is not a de Polignac number, because 70052052321 - 217 = 70051921249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70052052331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2695230 + ... + 2721096.

It is an arithmetic number, because the mean of its divisors is an integer number (4250293476).

Almost surely, 270052052321 is an apocalyptic number.

It is an amenable number.

70052052321 is a deficient number, since it is larger than the sum of its proper divisors (31954991103).

70052052321 is a wasteful number, since it uses less digits than its factorization.

70052052321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28301 (or 28298 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 70052052321 its reverse (12325025007), we get a palindrome (82377077328).

The spelling of 70052052321 in words is "seventy billion, fifty-two million, fifty-two thousand, three hundred twenty-one".

Divisors: 1 3 9 131 393 1179 2297 6891 20673 25867 77601 232803 300907 902721 2708163 3388577 10165731 30497193 59416499 178249497 534748491 7783561369 23350684107 70052052321