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130121313123 = 3377911477579
BaseRepresentation
bin111100100101111010…
…1011010101101100011
3110102212101012120221110
41321023311122231203
54112442024004443
6135435451154403
712254345624634
oct1711365325543
9412771176843
10130121313123
11502030a850a
1221275445a03
13c36906b349
14642564788b
1535b8828233
hex1e4bd5ab63

130121313123 has 8 divisors (see below), whose sum is σ = 173541009600. Its totient is φ = 86724579368.

The previous prime is 130121313109. The next prime is 130121313143. The reversal of 130121313123 is 321313121031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130121313123 - 228 = 129852877667 is a prime.

It is a super-2 number, since 2×1301213131232 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130121313123.

It is not an unprimeable number, because it can be changed into a prime (130121313143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5727453 + ... + 5750126.

It is an arithmetic number, because the mean of its divisors is an integer number (21692626200).

Almost surely, 2130121313123 is an apocalyptic number.

130121313123 is a deficient number, since it is larger than the sum of its proper divisors (43419696477).

130121313123 is a wasteful number, since it uses less digits than its factorization.

130121313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11481361.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 130121313123 its reverse (321313121031), we get a palindrome (451434434154).

The spelling of 130121313123 in words is "one hundred thirty billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-three".

Divisors: 1 3 3779 11337 11477579 34432737 43373771041 130121313123