Search a number
-
+
7102280941 = 72144944509
BaseRepresentation
bin1101001110101010…
…00011010011101101
3200022222012020212021
412213111003103231
5104021140442231
63132430310141
7341000251300
oct64725032355
920288166767
107102280941
113015063878
121462658351
13892567a02
144b5382b37
152b87be811
hex1a75434ed

7102280941 has 6 divisors (see below), whose sum is σ = 8261837070. Its totient is φ = 6087669336.

The previous prime is 7102280909. The next prime is 7102280951. The reversal of 7102280941 is 1490822017.

It can be written as a sum of positive squares in only one way, i.e., 7081895716 + 20385225 = 84154^2 + 4515^2 .

It is not a de Polignac number, because 7102280941 - 25 = 7102280909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7102280897 and 7102280906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7102280951) 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, 72472206 + ... + 72472303.

It is an arithmetic number, because the mean of its divisors is an integer number (1376972845).

Almost surely, 27102280941 is an apocalyptic number.

It is an amenable number.

7102280941 is a deficient number, since it is larger than the sum of its proper divisors (1159556129).

7102280941 is a wasteful number, since it uses less digits than its factorization.

7102280941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144944523 (or 144944516 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 7102280941 is about 84275.0315395966. The cubic root of 7102280941 is about 1922.2031405757.

The spelling of 7102280941 in words is "seven billion, one hundred two million, two hundred eighty thousand, nine hundred forty-one".

Divisors: 1 7 49 144944509 1014611563 7102280941