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5948441981 = 29205118689
BaseRepresentation
bin1011000101000111…
…00000010101111101
3120100120001011100222
411202203200111331
544140300120411
62422131431125
7300256631306
oct54243402575
916316034328
105948441981
112582816559
1211a01554a5
1373a4b6471
1440602b7ad
1524c3514db
hex1628e057d

5948441981 has 4 divisors (see below), whose sum is σ = 6153560700. Its totient is φ = 5743323264.

The previous prime is 5948441969. The next prime is 5948442007. The reversal of 5948441981 is 1891448495.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1071514756 + 4876927225 = 32734^2 + 69835^2 .

It is a cyclic number.

It is not a de Polignac number, because 5948441981 - 222 = 5944247677 is a prime.

It is a super-2 number, since 2×59484419812 = 70767924002646408722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5948441951) 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, 102559316 + ... + 102559373.

It is an arithmetic number, because the mean of its divisors is an integer number (1538390175).

Almost surely, 25948441981 is an apocalyptic number.

It is an amenable number.

5948441981 is a deficient number, since it is larger than the sum of its proper divisors (205118719).

5948441981 is a wasteful number, since it uses less digits than its factorization.

5948441981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205118718.

The product of its digits is 1658880, while the sum is 53.

The square root of 5948441981 is about 77126.1433043297. The cubic root of 5948441981 is about 1811.9007718429.

The spelling of 5948441981 in words is "five billion, nine hundred forty-eight million, four hundred forty-one thousand, nine hundred eighty-one".

Divisors: 1 29 205118689 5948441981