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130442121232 = 2437415374181
BaseRepresentation
bin111100101111011110…
…1001101000000010000
3110110200201212022221021
41321132331031000100
54114121140334412
6135531351205224
712265322510353
oct1713675150020
9413621768837
10130442121232
11503581a4385
1221344976814
13c3ba673327
1464560b629a
1535d6a97607
hex1e5ef4d010

130442121232 has 40 divisors (see below), whose sum is σ = 265893028632. Its totient is φ = 61910553600.

The previous prime is 130442121223. The next prime is 130442121283. The reversal of 130442121232 is 232121244031.

It can be written as a sum of positive squares in 4 ways, for example, as 60466176 + 130381655056 = 7776^2 + 361084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130442121197 and 130442121206.

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, 2662819 + ... + 2711362.

Almost surely, 2130442121232 is an apocalyptic number.

It is an amenable number.

130442121232 is an abundant number, since it is smaller than the sum of its proper divisors (135450907400).

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

130442121232 is a wasteful number, since it uses less digits than its factorization.

130442121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374267 (or 5374261 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 130442121232 its reverse (232121244031), we get a palindrome (362563365263).

The spelling of 130442121232 in words is "one hundred thirty billion, four hundred forty-two million, one hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 37 41 74 82 148 164 296 328 592 656 1517 3034 6068 12136 24272 5374181 10748362 21496724 42993448 85986896 198844697 220341421 397689394 440682842 795378788 881365684 1590757576 1762731368 3181515152 3525462736 8152632577 16305265154 32610530308 65221060616 130442121232