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145124303313212 = 221513372138333343
BaseRepresentation
bin100000111111110101100010…
…100011000001100100111100
3201000211202012012222020110122
4200333311202203001210330
5123010204033122010322
61232353103510554112
742365612344546256
oct4077654243014474
9630752165866418
10145124303313212
1142271964923823
121433a08b668938
1362c921739b5b2
1427ba0a7726cd6
1511ba03989e442
hex83fd628c193c

145124303313212 has 48 divisors (see below), whose sum is σ = 256427720220672. Its totient is φ = 71862199315200.

The previous prime is 145124303313211. The next prime is 145124303313217. The reversal of 145124303313212 is 212313303421541.

It is a happy number.

It is a super-2 number, since 2×1451243033132122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145124303313211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4352450213 + ... + 4352483555.

It is an arithmetic number, because the mean of its divisors is an integer number (5342244171264).

Almost surely, 2145124303313212 is an apocalyptic number.

It is an amenable number.

145124303313212 is a deficient number, since it is larger than the sum of its proper divisors (111303416907460).

145124303313212 is a wasteful number, since it uses less digits than its factorization.

145124303313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55218 (or 55216 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 145124303313212 its reverse (212313303421541), we get a palindrome (357437606734753).

The spelling of 145124303313212 in words is "one hundred forty-five trillion, one hundred twenty-four billion, three hundred three million, three hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 151 302 337 604 674 1348 21383 33343 42766 50887 66686 85532 101774 133372 203548 3228833 5034793 6457666 7206071 10069586 11236591 12915332 14412142 20139172 22473182 28824284 44946364 712973369 1088116721 1425946738 1696725241 2176233442 2851893476 3393450482 4352466884 6786900964 107658978719 215317957438 240272025353 430635914876 480544050706 961088101412 36281075828303 72562151656606 145124303313212