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130121243130 = 2355119847309
BaseRepresentation
bin111100100101111010…
…1001001100111111010
3110102212101002000221010
41321023311021213322
54112442014240010
6135435445454350
712254345213604
oct1711365114772
9412771060833
10130121243130
115020305a96a
12212754113b6
13c369045528
14642562a174
1535b8812620
hex1e4bd499fa

130121243130 has 32 divisors (see below), whose sum is σ = 312352358400. Its totient is φ = 34692178752.

The previous prime is 130121243129. The next prime is 130121243171. The reversal of 130121243130 is 31342121031.

It is a junction number, because it is equal to n+sod(n) for n = 130121243097 and 130121243106.

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, 270085 + ... + 577224.

It is an arithmetic number, because the mean of its divisors is an integer number (9761011200).

Almost surely, 2130121243130 is an apocalyptic number.

130121243130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130121243130 is an abundant number, since it is smaller than the sum of its proper divisors (182231115270).

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

130121243130 is a wasteful number, since it uses less digits than its factorization.

130121243130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852438.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130121243130 its reverse (31342121031), we get a palindrome (161463364161).

The spelling of 130121243130 in words is "one hundred thirty billion, one hundred twenty-one million, two hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5119 10238 15357 25595 30714 51190 76785 153570 847309 1694618 2541927 4236545 5083854 8473090 12709635 25419270 4337374771 8674749542 13012124313 21686873855 26024248626 43373747710 65060621565 130121243130