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54142401444520 = 23538312037293603
BaseRepresentation
bin11000100111110000000101…
…00110101111101010101000
321002200222000001021212101211
430103320002212233222220
524044032114232211040
6311052401552322504
714255442115634434
oct1423700246575250
9232628001255354
1054142401444520
1116284733142694
1260a51b0843434
1324297b678398c
14d5271308d9c4
1563d57c59a8ea
hex313e029afaa8

54142401444520 has 64 divisors (see below), whose sum is σ = 122149035141120. Its totient is φ = 21598546923264.

The previous prime is 54142401444517. The next prime is 54142401444559. The reversal of 54142401444520 is 2544410424145.

It is a super-2 number, since 2×541424014445202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184260039 + ... + 184553641.

It is an arithmetic number, because the mean of its divisors is an integer number (1908578674080).

Almost surely, 254142401444520 is an apocalyptic number.

It is an amenable number.

54142401444520 is an abundant number, since it is smaller than the sum of its proper divisors (68006633696600).

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

54142401444520 is a wasteful number, since it uses less digits than its factorization.

54142401444520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306034 (or 306030 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 54142401444520 its reverse (2544410424145), we get a palindrome (56686811868665).

The spelling of 54142401444520 in words is "fifty-four trillion, one hundred forty-two billion, four hundred one million, four hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 383 766 1532 1915 3064 3830 7660 12037 15320 24074 48148 60185 96296 120370 240740 293603 481480 587206 1174412 1468015 2348824 2936030 4610171 5872060 9220342 11744120 18440684 23050855 36881368 46101710 92203420 112449949 184406840 224899898 449799796 562249745 899599592 1124499490 2248998980 3534099311 4497997960 7068198622 14136397244 17670496555 28272794488 35340993110 70681986220 141363972440 1353560036113 2707120072226 5414240144452 6767800180565 10828480288904 13535600361130 27071200722260 54142401444520