Search a number
-
+
2555275525550 = 252112521810671
BaseRepresentation
bin100101001011110010010…
…010100011110110101110
3100001021121112201012101122
4211023302102203312232
5313331201013304200
65233513302340542
7352420052411216
oct45136222436656
910037545635348
102555275525550
118a5760466800
1235329072a752
13156c663bc5c7
148b966d07246
15467066d4385
hex252f24a3dae

2555275525550 has 72 divisors (see below), whose sum is σ = 5234199427296. Its totient is φ = 927406480000.

The previous prime is 2555275525519. The next prime is 2555275525577. The reversal of 2555275525550 is 555255725552.

It is a super-2 number, since 2×25552755255502 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555275525492 and 2555275525501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2746715 + ... + 3557385.

It is an arithmetic number, because the mean of its divisors is an integer number (72697214268).

Almost surely, 22555275525550 is an apocalyptic number.

2555275525550 is an abundant number, since it is smaller than the sum of its proper divisors (2678923901746).

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

2555275525550 is a wasteful number, since it uses less digits than its factorization.

2555275525550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811226 (or 811210 counting only the distinct ones).

The product of its (nonzero) digits is 21875000, while the sum is 53.

The spelling of 2555275525550 in words is "two trillion, five hundred fifty-five billion, two hundred seventy-five million, five hundred twenty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 521 550 605 1042 1210 2605 3025 5210 5731 6050 11462 13025 26050 28655 57310 63041 126082 143275 286550 315205 630410 810671 1576025 1621342 3152050 4053355 8106710 8917381 17834762 20266775 40533550 44586905 89173810 98091191 196182382 222934525 422359591 445869050 490455955 844719182 980911910 2111797955 2452279775 4223595910 4645955501 4904559550 9291911002 10558989775 21117979550 23229777505 46459555010 51105510511 102211021022 116148887525 232297775050 255527552555 511055105110 1277637762775 2555275525550