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3081270413 = 131912474779
BaseRepresentation
bin1011011110101000…
…0111010010001101
321221201221202101102
42313222013102031
522302301123123
61225430152445
7136233236444
oct26752072215
97851852342
103081270413
11134132a081
1271bab2725
133a149ac40
1421331dd5b
15130799028
hexb7a8748d

3081270413 has 8 divisors (see below), whose sum is σ = 3492938400. Its totient is φ = 2694552048.

The previous prime is 3081270343. The next prime is 3081270419. The reversal of 3081270413 is 3140721803.

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 3081270413 - 228 = 2812834957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081270419) 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, 6237143 + ... + 6237636.

It is an arithmetic number, because the mean of its divisors is an integer number (436617300).

Almost surely, 23081270413 is an apocalyptic number.

It is an amenable number.

3081270413 is a deficient number, since it is larger than the sum of its proper divisors (411667987).

3081270413 is a wasteful number, since it uses less digits than its factorization.

3081270413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12474811.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3081270413 is about 55509.1921486883. The cubic root of 3081270413 is about 1455.1572851859.

It can be divided in two parts, 308 and 1270413, that added together give a palindrome (1270721).

The spelling of 3081270413 in words is "three billion, eighty-one million, two hundred seventy thousand, four hundred thirteen".

Divisors: 1 13 19 247 12474779 162172127 237020801 3081270413