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331021421123040 = 25325229875986891
BaseRepresentation
bin100101101000011111110111…
…0001110000001010111100000
31121102001100010222200120101200
41023100333232032001113200
5321341423332301414130
63132005050323001200
7126503336254362144
oct11320775616012740
91542040128616350
10331021421123040
119652343a57123a
1231162204209200
1311292255a5061b
145ba5745161224
152840960783760
hex12d0fee3815e0

331021421123040 has 72 divisors (see below), whose sum is σ = 1129610599587288. Its totient is φ = 88272378965760.

The previous prime is 331021421122981. The next prime is 331021421123083. The reversal of 331021421123040 is 40321124120133.

331021421123040 is a `hidden beast` number, since 3 + 3 + 1 + 0 + 2 + 1 + 421 + 1 + 230 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 331021421122995 and 331021421123013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114937992006 + ... + 114937994885.

It is an arithmetic number, because the mean of its divisors is an integer number (15689036105379).

Almost surely, 2331021421123040 is an apocalyptic number.

331021421123040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331021421123040 is an abundant number, since it is smaller than the sum of its proper divisors (798589178464248).

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

331021421123040 is a wasteful number, since it uses less digits than its factorization.

331021421123040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229875986912 (or 229875986901 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 331021421123040 its reverse (40321124120133), we get a palindrome (371342545243173).

The spelling of 331021421123040 in words is "three hundred thirty-one trillion, twenty-one billion, four hundred twenty-one million, one hundred twenty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 229875986891 459751973782 689627960673 919503947564 1149379934455 1379255921346 1839007895128 2068883882019 2298759868910 2758511842692 3448139803365 3678015790256 4137767764038 4597519737820 5517023685384 6896279606730 7356031580512 8275535528076 9195039475640 10344419410095 11034047370768 13792559213460 16551071056152 18390078951280 20688838820190 22068094741536 27585118426920 33102142112304 36780157902560 41377677640380 55170236853840 66204284224608 82755355280760 110340473707680 165510710561520 331021421123040