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7057161220628 = 223747683521761
BaseRepresentation
bin110011010110001111110…
…0101100111001000010100
3220222122202200212211220202
41212230133211213020110
51411111031233030003
623002003132520032
71325602014424211
oct146543745471024
926878680784822
107057161220628
112280a1a590452
1295b885020018
133c2644bcb4bc
141a57d5a8cb08
15c388db07088
hex66b1f967214

7057161220628 has 12 divisors (see below), whose sum is σ = 12683816788692. Its totient is φ = 3433213566720.

The previous prime is 7057161220621. The next prime is 7057161220643. The reversal of 7057161220628 is 8260221617507.

It can be written as a sum of positive squares in 2 ways, for example, as 4185837748624 + 2871323472004 = 2045932^2 + 1694498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057161220621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23841760733 + ... + 23841761028.

It is an arithmetic number, because the mean of its divisors is an integer number (1056984732391).

Almost surely, 27057161220628 is an apocalyptic number.

It is an amenable number.

7057161220628 is a deficient number, since it is larger than the sum of its proper divisors (5626655568064).

7057161220628 is a wasteful number, since it uses less digits than its factorization.

7057161220628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47683521802 (or 47683521800 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 7057161220628 in words is "seven trillion, fifty-seven billion, one hundred sixty-one million, two hundred twenty thousand, six hundred twenty-eight".

Divisors: 1 2 4 37 74 148 47683521761 95367043522 190734087044 1764290305157 3528580610314 7057161220628