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1304491378848 = 253719102168811
BaseRepresentation
bin10010111110111001101…
…111101100100010100000
311121201010020200010201220
4102332321233230202200
5132333044243110343
62435135225255040
7163150340524350
oct22767157544240
94551106603656
101304491378848
11463260414639
1219099b634480
1396022772b68
14471cdc8cb60
1523ded3ae183
hex12fb9bec8a0

1304491378848 has 96 divisors (see below), whose sum is σ = 4119446499840. Its totient is φ = 353095407360.

The previous prime is 1304491378823. The next prime is 1304491378849. The reversal of 1304491378848 is 8488731944031.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1304491378791 and 1304491378800.

It is not an unprimeable number, because it can be changed into a prime (1304491378849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51071638 + ... + 51097173.

It is an arithmetic number, because the mean of its divisors is an integer number (42910901040).

Almost surely, 21304491378848 is an apocalyptic number.

It is an amenable number.

1304491378848 is an abundant number, since it is smaller than the sum of its proper divisors (2814955120992).

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

1304491378848 is a wasteful number, since it uses less digits than its factorization.

1304491378848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102168850 (or 102168842 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 1304491378848 in words is "one trillion, three hundred four billion, four hundred ninety-one million, three hundred seventy-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 76 84 96 112 114 133 152 168 224 228 266 304 336 399 456 532 608 672 798 912 1064 1596 1824 2128 3192 4256 6384 12768 102168811 204337622 306506433 408675244 613012866 715181677 817350488 1226025732 1430363354 1634700976 1941207409 2145545031 2452051464 2860726708 3269401952 3882414818 4291090062 4904102928 5721453416 5823622227 7764829636 8582180124 9808205856 11442906832 11647244454 13588451863 15529659272 17164360248 22885813664 23294488908 27176903726 31059318544 34328720496 40765355589 46588977816 54353807452 62118637088 68657440992 81530711178 93177955632 108707614904 163061422356 186355911264 217415229808 326122844712 434830459616 652245689424 1304491378848