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130137221242 = 2722379730837
BaseRepresentation
bin111100100110011001…
…0000110100001111010
3110102220111010210210001
41321030302012201322
54113010112034432
6135441220143214
712254631062200
oct1711462064172
9412814123701
10130137221242
1150211083516
122127a837b0a
13c36c44b132
1464277c9070
1535b9e1b9e7
hex1e4cc8687a

130137221242 has 48 divisors (see below), whose sum is σ = 239948732160. Its totient is φ = 52672812192.

The previous prime is 130137221233. The next prime is 130137221243. The reversal of 130137221242 is 242122731031.

It is a self number, because there is not a number n which added to its sum of digits gives 130137221242.

It is not an unprimeable number, because it can be changed into a prime (130137221243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187353 + ... + 543484.

It is an arithmetic number, because the mean of its divisors is an integer number (4998931920).

Almost surely, 2130137221242 is an apocalyptic number.

130137221242 is a deficient number, since it is larger than the sum of its proper divisors (109811510918).

130137221242 is a wasteful number, since it uses less digits than its factorization.

130137221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730955 (or 730948 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 130137221242 its reverse (242122731031), we get a palindrome (372259952273).

The spelling of 130137221242 in words is "one hundred thirty billion, one hundred thirty-seven million, two hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 7 14 23 46 49 79 98 158 161 322 553 1106 1127 1817 2254 3634 3871 7742 12719 25438 89033 178066 730837 1461674 5115859 10231718 16809251 33618502 35811013 57736123 71622026 115472246 117664757 235329514 404152861 808305722 823653299 1327930829 1647306598 2655861658 2829070027 5658140054 9295515803 18591031606 65068610621 130137221242