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2061126858 = 237532274079
BaseRepresentation
bin111101011011010…
…0100110011001010
312022122101002111210
41322312210303022
513210122024413
6540305033550
7102035201130
oct17266446312
95278332453
102061126858
119684a812a
124963258b6
1326b02a1bb
14157a4b750
15c0e393c3
hex7ada4cca

2061126858 has 64 divisors (see below), whose sum is σ = 4822364160. Its totient is φ = 575095872.

The previous prime is 2061126857. The next prime is 2061126863. The reversal of 2061126858 is 8586211602.

It is not an unprimeable number, because it can be changed into a prime (2061126857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503263 + ... + 507341.

It is an arithmetic number, because the mean of its divisors is an integer number (75349440).

Almost surely, 22061126858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061126858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411182080).

2061126858 is an abundant number, since it is smaller than the sum of its proper divisors (2761237302).

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

2061126858 is a wasteful number, since it uses less digits than its factorization.

2061126858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2061126858 is about 45399.6349985328. The cubic root of 2061126858 is about 1272.6282928588.

The spelling of 2061126858 in words is "two billion, sixty-one million, one hundred twenty-six thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 53 106 159 227 318 371 454 681 742 1113 1362 1589 2226 3178 4079 4767 8158 9534 12031 12237 24062 24474 28553 36093 57106 72186 84217 85659 168434 171318 216187 252651 432374 505302 648561 925933 1297122 1513309 1851866 2777799 3026618 4539927 5555598 6481531 9079854 12963062 19444593 38889186 49074449 98148898 147223347 294446694 343521143 687042286 1030563429 2061126858