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54413172131800 = 23524114447459317
BaseRepresentation
bin11000101111101000011011…
…10010111100011111011000
321010122211220112002221222011
430113310031302330133120
524113001134031204200
6311421022144035304
714314136062540666
oct1427641562743730
9233584815087864
1054413172131800
1116379551135699
126129779302b34
1324491a8aa9171
14d6187c281c36
15645628b175ba
hex317d0dcbc7d8

54413172131800 has 96 divisors (see below), whose sum is σ = 129605502841920. Its totient is φ = 21232892595200.

The previous prime is 54413172131797. The next prime is 54413172131809. The reversal of 54413172131800 is 813127131445.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54413172131809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118235742 + ... + 118695058.

It is an arithmetic number, because the mean of its divisors is an integer number (1350057321270).

Almost surely, 254413172131800 is an apocalyptic number.

54413172131800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54413172131800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64802751420960).

54413172131800 is an abundant number, since it is smaller than the sum of its proper divisors (75192330710120).

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

54413172131800 is a wasteful number, since it uses less digits than its factorization.

54413172131800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473821 (or 473812 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 54413172131800 in words is "fifty-four trillion, four hundred thirteen billion, one hundred seventy-two million, one hundred thirty-one thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 1025 1640 2050 4100 8200 14447 28894 57788 72235 115576 144470 288940 361175 459317 577880 592327 722350 918634 1184654 1444700 1837268 2296585 2369308 2889400 2961635 3674536 4593170 4738616 5923270 9186340 11482925 11846540 14808175 18372680 18831997 22965850 23693080 29616350 37663994 45931700 59232700 75327988 91863400 94159985 118465400 150655976 188319970 376639940 470799925 753279880 941599850 1883199700 3766399400 6635752699 13271505398 26543010796 33178763495 53086021592 66357526990 132715053980 165893817475 265430107960 272065860659 331787634950 544131721318 663575269900 1088263442636 1327150539800 1360329303295 2176526885272 2720658606590 5441317213180 6801646516475 10882634426360 13603293032950 27206586065900 54413172131800