Search a number
-
+
131303312022020 = 22559229819484181
BaseRepresentation
bin11101110110101101101111…
…010001010101101000000100
3122012220110210120111220002012
4131312231233101111220010
5114202233140334201040
61143131524145433352
736441231322126055
oct3566555721255004
9565813716456065
10131303312022020
11389234706255a6
121288756563b858
135835b068b0968
14245d18557272c
15102a779148865
hex776b6f455a04

131303312022020 has 48 divisors (see below), whose sum is σ = 280412262244800. Its totient is φ = 51630801567360.

The previous prime is 131303312022017. The next prime is 131303312022073. The reversal of 131303312022020 is 20220213303131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270944330 + ... + 271428510.

It is an arithmetic number, because the mean of its divisors is an integer number (5841922130100).

Almost surely, 2131303312022020 is an apocalyptic number.

131303312022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303312022020 is an abundant number, since it is smaller than the sum of its proper divisors (149108950222780).

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

131303312022020 is a wasteful number, since it uses less digits than its factorization.

131303312022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714068 (or 714066 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131303312022020 its reverse (20220213303131), we get a palindrome (151523525325151).

The spelling of 131303312022020 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred twelve million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 229819 459638 484181 919276 968362 1149095 1936724 2298190 2420905 4596380 4841810 9683620 13559321 27118642 28566679 54237284 57133358 67796605 114266716 135593210 142833395 271186420 285666790 571333580 111273993239 222547986478 445095972956 556369966195 1112739932390 2225479864780 6565165601101 13130331202202 26260662404404 32825828005505 65651656011010 131303312022020