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2556030030 = 235735092293
BaseRepresentation
bin1001100001011001…
…1110110001001110
320121010121210000220
42120112132301032
520213320430110
61101344332210
7120224616411
oct23026366116
96533553026
102556030030
1110a18a3214
125b4014066
13319719408
141a3677b78
15ee5e7370
hex9859ec4e

2556030030 has 64 divisors (see below), whose sum is σ = 6233440320. Its totient is φ = 670657536.

The previous prime is 2556030013. The next prime is 2556030031. The reversal of 2556030030 is 300306552.

2556030030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556030031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1113564 + ... + 1115856.

It is an arithmetic number, because the mean of its divisors is an integer number (97397505).

Almost surely, 22556030030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2556030030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3116720160).

2556030030 is an abundant number, since it is smaller than the sum of its proper divisors (3677410290).

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

2556030030 is a wasteful number, since it uses less digits than its factorization.

2556030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2556030030 is about 50557.1956302958. The cubic root of 2556030030 is about 1367.2732505293.

Adding to 2556030030 its reverse (300306552), we get a palindrome (2856336582).

The spelling of 2556030030 in words is "two billion, five hundred fifty-six million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 509 730 1018 1095 1527 2190 2293 2545 3054 4586 5090 6879 7635 11465 13758 15270 22930 34395 37157 68790 74314 111471 167389 185785 222942 334778 371570 502167 557355 836945 1004334 1114710 1167137 1673890 2334274 2510835 3501411 5021670 5835685 7002822 11671370 17507055 35014110 85201001 170402002 255603003 426005005 511206006 852010010 1278015015 2556030030