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3072557813 = 131318717923
BaseRepresentation
bin1011011100100011…
…1000001011110101
321221010120002221112
42313020320023311
522243033322223
61224515324405
7136066211333
oct26710701365
97833502845
103072557813
111337419186
12718bb0705
1339c73a360
142120d2b53
1512eb27778
hexb72382f5

3072557813 has 8 divisors (see below), whose sum is σ = 3309343968. Its totient is φ = 2835833904.

The previous prime is 3072557797. The next prime is 3072557821. The reversal of 3072557813 is 3187552703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3072557813 - 24 = 3072557797 is a prime.

It is a super-2 number, since 2×30725578132 = 18881223028454685938, 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 (3072557843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162470 + ... + 180392.

It is an arithmetic number, because the mean of its divisors is an integer number (413667996).

Almost surely, 23072557813 is an apocalyptic number.

It is an amenable number.

3072557813 is a deficient number, since it is larger than the sum of its proper divisors (236786155).

3072557813 is a wasteful number, since it uses less digits than its factorization.

3072557813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31123.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 3072557813 is about 55430.6576995078. The cubic root of 3072557813 is about 1453.7844562227.

The spelling of 3072557813 in words is "three billion, seventy-two million, five hundred fifty-seven thousand, eight hundred thirteen".

Divisors: 1 13 13187 17923 171431 232999 236350601 3072557813