Search a number
-
+
131430130302224 = 24134607211371493
BaseRepresentation
bin11101111000100011110110…
…001110101011110100010000
3122020100121010202111000200002
4131320203312032223310100
5114211322401324132344
61143310100205345132
736453341102540315
oct3570436616536420
9566317122430602
10131430130302224
11389722291a7536
12128a80588681a8
135844a67547350
142465376250d0c
15102dbec9c044e
hex7788f63abd10

131430130302224 has 40 divisors (see below), whose sum is σ = 274234817061912. Its totient is φ = 60659884247040.

The previous prime is 131430130302199. The next prime is 131430130302301. The reversal of 131430130302224 is 422203031034131.

It can be written as a sum of positive squares in 4 ways, for example, as 54194155742224 + 77235974560000 = 7361668^2 + 8788400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95144222 + ... + 96515714.

Almost surely, 2131430130302224 is an apocalyptic number.

It is an amenable number.

131430130302224 is an abundant number, since it is smaller than the sum of its proper divisors (142804686759688).

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

131430130302224 is a wasteful number, since it uses less digits than its factorization.

131430130302224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832235 (or 1832229 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131430130302224 its reverse (422203031034131), we get a palindrome (553633161336355).

The spelling of 131430130302224 in words is "one hundred thirty-one trillion, four hundred thirty billion, one hundred thirty million, three hundred two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 460721 921442 1371493 1842884 2742986 3685768 5485972 5989373 7371536 10971944 11978746 17829409 21943888 23957492 35658818 47914984 71317636 95829968 142635272 285270544 631875626453 1263751252906 2527502505812 5055005011624 8214383143889 10110010023248 16428766287778 32857532575556 65715065151112 131430130302224