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130102211020 = 2256505110551
BaseRepresentation
bin111100100101010110…
…0100011000111001100
3110102211001021002210011
41321022230203013030
54112422131223040
6135433525523004
712254024355445
oct1711254430714
9412731232704
10130102211020
11501a3340851
122126ab73464
13c365110822
146422cb42cc
1535b6d033ea
hex1e4ab231cc

130102211020 has 12 divisors (see below), whose sum is σ = 273214643184. Its totient is φ = 52040884400.

The previous prime is 130102210999. The next prime is 130102211023. The reversal of 130102211020 is 20112201031.

It is not an unprimeable number, because it can be changed into a prime (130102211023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252555256 + ... + 3252555295.

It is an arithmetic number, because the mean of its divisors is an integer number (22767886932).

Almost surely, 2130102211020 is an apocalyptic number.

130102211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130102211020 is an abundant number, since it is smaller than the sum of its proper divisors (143112432164).

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

130102211020 is a wasteful number, since it uses less digits than its factorization.

130102211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505110560 (or 6505110558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 130102211020 its reverse (20112201031), we get a palindrome (150214412051).

The spelling of 130102211020 in words is "one hundred thirty billion, one hundred two million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 6505110551 13010221102 26020442204 32525552755 65051105510 130102211020