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245402212111002 = 234712300501581
BaseRepresentation
bin110111110011000100100111…
…101011100001001010011010
31012011220020000002201110010000
4313303010213223201022122
5224131132212300023002
62225532115255433430
7102455503404564642
oct6763044753411232
91164806002643100
10245402212111002
1171213548128a91
1223634714385876
13a6c143863ac4b
14448575d759522
151d5871c1d661c
hexdf3127ae129a

245402212111002 has 60 divisors (see below), whose sum is σ = 557736645722058. Its totient is φ = 80648614040400.

The previous prime is 245402212110989. The next prime is 245402212111009. The reversal of 245402212111002 is 200111212204542.

245402212111002 is a `hidden beast` number, since 2 + 4 + 540 + 2 + 2 + 1 + 2 + 1 + 110 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 216734957930241 + 28667254180761 = 14721921^2 + 5354181^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (245402212111009) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 149434149 + ... + 151067432.

Almost surely, 2245402212111002 is an apocalyptic number.

245402212111002 is an abundant number, since it is smaller than the sum of its proper divisors (312334433611056).

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

245402212111002 is an equidigital number, since it uses as much as digits as its factorization.

245402212111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300501737 (or 300501657 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 245402212111002 its reverse (200111212204542), we get a palindrome (445513424315544).

The spelling of 245402212111002 in words is "two hundred forty-five trillion, four hundred two billion, two hundred twelve million, one hundred eleven thousand, two".

Divisors: 1 2 3 6 9 18 27 54 71 81 142 162 213 426 639 1278 1917 3834 5041 5751 10082 11502 15123 30246 45369 90738 136107 272214 408321 816642 300501581 601003162 901504743 1803009486 2704514229 5409028458 8113542687 16227085374 21335612251 24340628061 42671224502 48681256122 64006836753 128013673506 192020510259 384041020518 576061530777 1152123061554 1514828469821 1728184592331 3029656939642 3456369184662 4544485409463 9088970818926 13633456228389 27266912456778 40900368685167 81800737370334 122701106055501 245402212111002