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545125232420 = 22561487917503
BaseRepresentation
bin1111110111010111111…
…11101110111100100100
31221010001201022000212222
413323223333232330210
532412404024414140
61054232125331512
754245466010616
oct7735377567444
91833051260788
10545125232420
111a0205a8950a
1289795406b98
133c535c98632
141c554370db6
15e2a755c5b5
hex7eebfeef24

545125232420 has 48 divisors (see below), whose sum is σ = 1165920043008. Its totient is φ = 214034866560.

The previous prime is 545125232419. The next prime is 545125232423. The reversal of 545125232420 is 24232521545.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (545125232423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135389 + ... + 1052891.

It is an arithmetic number, because the mean of its divisors is an integer number (24290000896).

Almost surely, 2545125232420 is an apocalyptic number.

It is an amenable number.

545125232420 is an abundant number, since it is smaller than the sum of its proper divisors (620794810588).

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

545125232420 is a wasteful number, since it uses less digits than its factorization.

545125232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918060 (or 918058 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 545125232420 its reverse (24232521545), we get a palindrome (569357753965).

The spelling of 545125232420 in words is "five hundred forty-five billion, one hundred twenty-five million, two hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 487 610 974 1220 1948 2435 4870 9740 29707 59414 118828 148535 297070 594140 917503 1835006 3670012 4587515 9175030 18350060 55967683 111935366 223870732 279838415 446823961 559676830 893647922 1119353660 1787295844 2234119805 4468239610 8936479220 27256261621 54512523242 109025046484 136281308105 272562616210 545125232420