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54130004520 = 23352953293483
BaseRepresentation
bin110010011010011001…
…100101001000101000
312011201102011010202020
4302122121211020220
51341324240121040
640511133504440
73624251306154
oct623231451050
9164642133666
1054130004520
1120a57a81629
12a5a8042120
1351485abc97
142897046064
15161c249cd0
hexc9a665228

54130004520 has 128 divisors (see below), whose sum is σ = 171159868800. Its totient is φ = 13673913344.

The previous prime is 54130004497. The next prime is 54130004561. The reversal of 54130004520 is 2540003145.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37699 + ... + 331181.

It is an arithmetic number, because the mean of its divisors is an integer number (1337186475).

Almost surely, 254130004520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54130004520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85579934400).

54130004520 is an abundant number, since it is smaller than the sum of its proper divisors (117029864280).

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

54130004520 is a wasteful number, since it uses less digits than its factorization.

54130004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293579 (or 293575 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 54130004520 its reverse (2540003145), we get a palindrome (56670007665).

The spelling of 54130004520 in words is "fifty-four billion, one hundred thirty million, four thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 53 58 60 87 106 116 120 145 159 174 212 232 265 290 318 348 424 435 530 580 636 696 795 870 1060 1160 1272 1537 1590 1740 2120 3074 3180 3480 4611 6148 6360 7685 9222 12296 15370 18444 23055 30740 36888 46110 61480 92220 184440 293483 586966 880449 1173932 1467415 1760898 2347864 2934830 3521796 4402245 5869660 7043592 8511007 8804490 11739320 15554599 17022014 17608980 25533021 31109198 34044028 35217960 42555035 46663797 51066042 62218396 68088056 77772995 85110070 93327594 102132084 124436792 127665105 155545990 170220140 186655188 204264168 233318985 255330210 311091980 340440280 373310376 451083371 466637970 510660420 622183960 902166742 933275940 1021320840 1353250113 1804333484 1866551880 2255416855 2706500226 3608666968 4510833710 5413000452 6766250565 9021667420 10826000904 13532501130 18043334840 27065002260 54130004520