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54513056540 = 22531129033019
BaseRepresentation
bin110010110001001110…
…110011101100011100
312012201002221012100002
4302301032303230130
51343120320302130
641013135553432
73636612222665
oct626116635434
9165632835302
1054513056540
1121134221248
12a69438b878
1351a9a68397
1428d1c7836c
151640bb1b45
hexcb13b3b1c

54513056540 has 48 divisors (see below), whose sum is σ = 114923128320. Its totient is φ = 21720425280.

The previous prime is 54513056491. The next prime is 54513056581. The reversal of 54513056540 is 4565031545.

It is a junction number, because it is equal to n+sod(n) for n = 54513056494 and 54513056503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18055151 + ... + 18058169.

It is an arithmetic number, because the mean of its divisors is an integer number (2394231840).

Almost surely, 254513056540 is an apocalyptic number.

It is an amenable number.

54513056540 is an abundant number, since it is smaller than the sum of its proper divisors (60410071780).

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

54513056540 is a wasteful number, since it uses less digits than its factorization.

54513056540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6240 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 54513056540 in words is "fifty-four billion, five hundred thirteen million, fifty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 2903 3019 3110 5806 6038 6220 11612 12076 14515 15095 29030 30190 58060 60380 902833 938909 1805666 1877818 3611332 3755636 4514165 4694545 8764157 9028330 9389090 17528314 18056660 18778180 35056628 43820785 87641570 175283140 2725652827 5451305654 10902611308 13628264135 27256528270 54513056540