Search a number
-
+
7412915930 = 257195573621
BaseRepresentation
bin1101110011101100…
…00001111011011010
3201010121201010221212
412321312001323122
5110140201302210
63223324303122
7351461513540
oct67166017332
921117633855
107412915930
113164441502
12152a6a1aa2
13911a1a3b4
14504723d90
152d5bce805
hex1b9d81eda

7412915930 has 32 divisors (see below), whose sum is σ = 16052031360. Its totient is φ = 2407803840.

The previous prime is 7412915921. The next prime is 7412915953. The reversal of 7412915930 is 395192147.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785481 + ... + 2788140.

It is an arithmetic number, because the mean of its divisors is an integer number (501625980).

Almost surely, 27412915930 is an apocalyptic number.

7412915930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7412915930 is an abundant number, since it is smaller than the sum of its proper divisors (8639115430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7412915930 is a wasteful number, since it uses less digits than its factorization.

7412915930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573654.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 7412915930 is about 86098.2922594868. The cubic root of 7412915930 is about 1949.8282496113.

The spelling of 7412915930 in words is "seven billion, four hundred twelve million, nine hundred fifteen thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 5573621 11147242 27868105 39015347 55736210 78030694 105898799 195076735 211797598 390153470 529493995 741291593 1058987990 1482583186 3706457965 7412915930