Search a number
-
+
13130212043130 = 235713347127910837
BaseRepresentation
bin1011111100010001110110…
…0111111110100101111010
31201111020101001102200101120
42333010131213332211322
53210111133240340010
643531534112330110
72523424615612320
oct277043547764572
951436331380346
1013130212043130
114202545437a86
121580881543936
13743234772a50
14335711729d10
1517b830e32e70
hexbf11d9fe97a

13130212043130 has 256 divisors, whose sum is σ = 38930401198080. Its totient is φ = 2759932320768.

The previous prime is 13130212043119. The next prime is 13130212043131. The reversal of 13130212043130 is 3134021203131.

It is a self number, because there is not a number n which added to its sum of digits gives 13130212043130.

It is not an unprimeable number, because it can be changed into a prime (13130212043131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1211604072 + ... + 1211614908.

It is an arithmetic number, because the mean of its divisors is an integer number (152071879680).

Almost surely, 213130212043130 is an apocalyptic number.

13130212043130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13130212043130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19465200599040).

13130212043130 is an abundant number, since it is smaller than the sum of its proper divisors (25800189154950).

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

13130212043130 is a wasteful number, since it uses less digits than its factorization.

13130212043130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13130212043130 its reverse (3134021203131), we get a palindrome (16264233246261).

The spelling of 13130212043130 in words is "thirteen trillion, one hundred thirty billion, two hundred twelve million, forty-three thousand, one hundred thirty".