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255045304405550 = 252311671188782889
BaseRepresentation
bin111001111111011001011100…
…110001010100111000101110
31020110001002111210010201002202
4321333121130301110320232
5231412130240411434200
62302234110110021502
7104502262254635111
oct7177313461247056
91213032453121082
10255045304405550
11742a111935737a
12247315a44a7892
13ac40890a68379
1446da389842578
151e744a893d1d5
hexe7f65cc54e2e

255045304405550 has 96 divisors (see below), whose sum is σ = 492666627317760. Its totient is φ = 98126594092800.

The previous prime is 255045304405499. The next prime is 255045304405613. The reversal of 255045304405550 is 55504403540552.

It is a junction number, because it is equal to n+sod(n) for n = 255045304405495 and 255045304405504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3076908506 + ... + 3076991394.

It is an arithmetic number, because the mean of its divisors is an integer number (5131944034560).

Almost surely, 2255045304405550 is an apocalyptic number.

255045304405550 is a deficient number, since it is larger than the sum of its proper divisors (237621322912210).

255045304405550 is a wasteful number, since it uses less digits than its factorization.

255045304405550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94986 (or 94981 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 47.

The spelling of 255045304405550 in words is "two hundred fifty-five trillion, forty-five billion, three hundred four million, four hundred five thousand, five hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 155 167 310 334 775 835 1550 1670 4175 5177 8350 10354 11887 23774 25885 51770 59435 82889 118870 129425 165778 258850 297175 368497 414445 594350 736994 828890 1842485 1985129 2072225 2569559 3684970 3970258 4144450 5139118 9212425 9925645 12847795 13842463 18424850 19851290 25695590 27684926 49628225 61538999 64238975 69212315 99256450 123077998 128477950 138424630 307694995 346061575 429116353 615389990 692123150 858232706 985301543 1538474975 1970603086 2145581765 3076949950 4291163530 4926507715 9853015430 10727908825 21455817650 24632538575 30544347833 49265077150 61088695666 152721739165 164545357681 305443478330 329090715362 763608695825 822726788405 1527217391650 1645453576810 4113633942025 5100906088111 8227267884050 10201812176222 25504530440555 51009060881110 127522652202775 255045304405550