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2012130510 = 2351347910771
BaseRepresentation
bin111011111101110…
…1010110011001110
312012020011211011020
41313323222303032
513110101134020
6531354535010
7100601553465
oct16773526316
95166154136
102012130510
11942882485
12481a37466
13260b33890
141513359dc
15bb9abc40
hex77eeacce

2012130510 has 64 divisors (see below), whose sum is σ = 5211924480. Its totient is φ = 494213760.

The previous prime is 2012130499. The next prime is 2012130511. The reversal of 2012130510 is 150312102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2012130510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012130511) 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, 181425 + ... + 192195.

It is an arithmetic number, because the mean of its divisors is an integer number (81436320).

Almost surely, 22012130510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012130510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605962240).

2012130510 is an abundant number, since it is smaller than the sum of its proper divisors (3199793970).

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

2012130510 is a wasteful number, since it uses less digits than its factorization.

2012130510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2012130510 is about 44856.7777487416. Note that the first 4 decimals coincide. The cubic root of 2012130510 is about 1262.4631647587.

Adding to 2012130510 its reverse (150312102), we get a palindrome (2162442612).

The spelling of 2012130510 in words is "two billion, twelve million, one hundred thirty thousand, five hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 479 958 1437 2395 2874 4790 6227 7185 10771 12454 14370 18681 21542 31135 32313 37362 53855 62270 64626 93405 107710 140023 161565 186810 280046 323130 420069 700115 840138 1400230 2100345 4200690 5159309 10318618 15477927 25796545 30955854 51593090 67071017 77389635 134142034 154779270 201213051 335355085 402426102 670710170 1006065255 2012130510