Search a number
-
+
17313215020 = 2252267381853
BaseRepresentation
bin10000000111111100…
…101011001000101100
31122200120212110010221
4100013330223020230
5240424140340040
611541550141124
71152015620353
oct200774531054
948616773127
1017313215020
117384949772
1234321b17a4
13182bb6a23a
14ba353299a
156b4e4674a
hex407f2b22c

17313215020 has 24 divisors (see below), whose sum is σ = 36373884624. Its totient is φ = 6922213056.

The previous prime is 17313214999. The next prime is 17313215027. The reversal of 17313215020 is 2051231371.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (17313215027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145587 + ... + 236266.

It is an arithmetic number, because the mean of its divisors is an integer number (1515578526).

Almost surely, 217313215020 is an apocalyptic number.

17313215020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17313215020 is an abundant number, since it is smaller than the sum of its proper divisors (19060669604).

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

17313215020 is a wasteful number, since it uses less digits than its factorization.

17313215020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384129 (or 384127 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 17313215020 its reverse (2051231371), we get a palindrome (19364446391).

The spelling of 17313215020 in words is "seventeen billion, three hundred thirteen million, two hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 2267 4534 9068 11335 22670 45340 381853 763706 1527412 1909265 3818530 7637060 865660751 1731321502 3462643004 4328303755 8656607510 17313215020