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2130899750400 = 2935255492181
BaseRepresentation
bin11111000000100011100…
…001011100111000000000
321112201020001211011002210
4133000203201130320000
5234403040314003100
64310531040542120
7306644453011311
oct37004341347000
97481201734083
102130899750400
117517893a1793
122a4b96021940
13125c34975a95
14751c964c608
153a669d1dc50
hex1f02385ce00

2130899750400 has 120 divisors (see below), whose sum is σ = 7039294271064. Its totient is φ = 568239923200.

The previous prime is 2130899750387. The next prime is 2130899750401. The reversal of 2130899750400 is 40579980312.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2130899750400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130899750401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27707691 + ... + 27784490.

Almost surely, 22130899750400 is an apocalyptic number.

2130899750400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130899750400 is an abundant number, since it is smaller than the sum of its proper divisors (4908394520664).

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

2130899750400 is an equidigital number, since it uses as much as digits as its factorization.

2130899750400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55492212 (or 55492191 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 2130899750400 in words is "two trillion, one hundred thirty billion, eight hundred ninety-nine million, seven hundred fifty thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 512 600 640 768 800 960 1200 1280 1536 1600 1920 2400 2560 3200 3840 4800 6400 7680 9600 12800 19200 38400 55492181 110984362 166476543 221968724 277460905 332953086 443937448 554921810 665906172 832382715 887874896 1109843620 1331812344 1387304525 1664765430 1775749792 2219687240 2663624688 2774609050 3329530860 3551499584 4161913575 4439374480 5327249376 5549218100 6659061720 7102999168 8323827150 8878748960 10654498752 11098436200 13318123440 14205998336 16647654300 17757497920 21308997504 22196872400 26636246880 28411996672 33295308600 35514995840 42617995008 44393744800 53272493760 66590617200 71029991680 85235990016 88787489600 106544987520 133181234400 142059983360 177574979200 213089975040 266362468800 355149958400 426179950080 532724937600 710299916800 1065449875200 2130899750400