Search a number
-
+
2010155105 = 57671376257
BaseRepresentation
bin111011111010000…
…1000100001100001
312012002110110102002
41313310020201201
513104044430410
6531244333345
7100546015340
oct16764104141
95162413362
102010155105
11941753312
12481244255
132605c16ba
14150d7db57
15bb71b7a5
hex77d08861

2010155105 has 32 divisors (see below), whose sum is σ = 2818803456. Its totient is φ = 1347692544.

The previous prime is 2010155087. The next prime is 2010155131. The reversal of 2010155105 is 5015510102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2010155105 - 230 = 936413281 is a prime.

It is a super-2 number, since 2×20101551052 = 8081447092315122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318137 + ... + 324393.

It is an arithmetic number, because the mean of its divisors is an integer number (88087608).

Almost surely, 22010155105 is an apocalyptic number.

It is an amenable number.

2010155105 is a deficient number, since it is larger than the sum of its proper divisors (808648351).

2010155105 is a wasteful number, since it uses less digits than its factorization.

2010155105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 2010155105 is about 44834.7533170419. The cubic root of 2010155105 is about 1262.0498892778.

Adding to 2010155105 its reverse (5015510102), we get a palindrome (7025665207).

The spelling of 2010155105 in words is "two billion, ten million, one hundred fifty-five thousand, one hundred five".

Divisors: 1 5 7 35 67 137 335 469 685 959 2345 4795 6257 9179 31285 43799 45895 64253 218995 321265 419219 857209 2096095 2934533 4286045 6000463 14672665 30002315 57433003 287165015 402031021 2010155105