Search a number
-
+
130221001244 = 22101322329211
BaseRepresentation
bin111100101000111000…
…1101100101000011100
3110110010022210021100002
41321101301230220130
54113143034014434
6135453411553432
712256666150565
oct1712161545034
9413108707302
10130221001244
11502543a6694
12212a28bb878
13c383902bb9
14643499716c
1535c246a57e
hex1e51c6ca1c

130221001244 has 12 divisors (see below), whose sum is σ = 230143057368. Its totient is φ = 64465842000.

The previous prime is 130221001243. The next prime is 130221001307. The reversal of 130221001244 is 442100122031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221001243) 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, 161164202 + ... + 161165009.

It is an arithmetic number, because the mean of its divisors is an integer number (19178588114).

Almost surely, 2130221001244 is an apocalyptic number.

It is an amenable number.

130221001244 is a deficient number, since it is larger than the sum of its proper divisors (99922056124).

130221001244 is a wasteful number, since it uses less digits than its factorization.

130221001244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322329316 (or 322329314 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 130221001244 its reverse (442100122031), we get a palindrome (572321123275).

The spelling of 130221001244 in words is "one hundred thirty billion, two hundred twenty-one million, one thousand, two hundred forty-four".

Divisors: 1 2 4 101 202 404 322329211 644658422 1289316844 32555250311 65110500622 130221001244