Search a number
-
+
161046380029 = 232304435501
BaseRepresentation
bin1001010111111100011…
…1001011110111111101
3120101200121011202112211
42111333013023313331
510114310333130104
6201552250500421
714430610433563
oct2257707136775
9511617152484
10161046380029
1162332534a47
1227266134711
1312256c955c2
147b1a895a33
1542c8780e04
hex257f1cbdfd

161046380029 has 6 divisors (see below), whose sum is σ = 168352832606. Its totient is φ = 154044363000.

The previous prime is 161046380009. The next prime is 161046380039. The reversal of 161046380029 is 920083640161.

It can be written as a sum of positive squares in only one way, i.e., 137292480900 + 23753899129 = 370530^2 + 154123^2 .

It is not a de Polignac number, because 161046380029 - 235 = 126686641661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161046379973 and 161046380000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161046380009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152217222 + ... + 152218279.

Almost surely, 2161046380029 is an apocalyptic number.

It is an amenable number.

161046380029 is a deficient number, since it is larger than the sum of its proper divisors (7306452577).

161046380029 is an equidigital number, since it uses as much as digits as its factorization.

161046380029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304435547 (or 304435524 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 161046380029 in words is "one hundred sixty-one billion, forty-six million, three hundred eighty thousand, twenty-nine".

Divisors: 1 23 529 304435501 7002016523 161046380029