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4881677161 = 10926412
BaseRepresentation
bin1001000101111100…
…00111101101101001
3110121012201220010211
410202332013231221
534444202132121
62124223141121
7231654366634
oct44276075551
913535656124
104881677161
112085641339
12b42a447a1
135ca4a118a
143444a0c1b
151d8882ce1
hex122f87b69

4881677161 has 9 divisors (see below), whose sum is σ = 4934572293. Its totient is φ = 4829345280.

The previous prime is 4881677153. The next prime is 4881677173. The reversal of 4881677161 is 1617761884.

The square root of 4881677161 is 69869.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1885209561 + 2996467600 = 43419^2 + 54740^2 .

It is not a de Polignac number, because 4881677161 - 23 = 4881677153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4881677111) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7615401 + ... + 7616041.

Almost surely, 24881677161 is an apocalyptic number.

4881677161 is the 69869-th square number.

4881677161 is the 34935-th centered octagonal number.

It is an amenable number.

4881677161 is a deficient number, since it is larger than the sum of its proper divisors (52895132).

4881677161 is an frugal number, since it uses more digits than its factorization.

4881677161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 750 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The cubic root of 4881677161 is about 1696.3795107209.

Multiplying 4881677161 by its sum of digits (49), we get a square (239202180889 = 4890832).

The spelling of 4881677161 in words is "four billion, eight hundred eighty-one million, six hundred seventy-seven thousand, one hundred sixty-one".

Divisors: 1 109 641 11881 69869 410881 7615721 44786029 4881677161