Search a number
-
+
42030012102 = 23133161928081
BaseRepresentation
bin100111001001001011…
…110001011011000110
311000111010212211120220
4213021023301123012
51142034140341402
631150333005210
73015354131301
oct471113613306
9130433784526
1042030012102
11169089341a1
12818b923806
133c6a807260
14206a039b38
15115ed26dbc
hex9c92f16c6

42030012102 has 64 divisors (see below), whose sum is σ = 93600675840. Its totient is φ = 12494476800.

The previous prime is 42030012091. The next prime is 42030012137. The reversal of 42030012102 is 20121003024.

42030012102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1482702 + ... + 1510782.

It is an arithmetic number, because the mean of its divisors is an integer number (1462510560).

Almost surely, 242030012102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42030012102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46800337920).

42030012102 is an abundant number, since it is smaller than the sum of its proper divisors (51570663738).

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

42030012102 is a wasteful number, since it uses less digits than its factorization.

42030012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28749.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 42030012102 its reverse (20121003024), we get a palindrome (62151015126).

The spelling of 42030012102 in words is "forty-two billion, thirty million, twelve thousand, one hundred two".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 619 806 1209 1238 1857 2418 3714 8047 16094 19189 24141 28081 38378 48282 56162 57567 84243 115134 168486 249457 365053 498914 730106 748371 870511 1095159 1496742 1741022 2190318 2611533 5223066 11316643 17382139 22633286 33949929 34764278 52146417 67899858 104292834 225967807 451935614 538846309 677903421 1077692618 1355806842 1616538927 3233077854 7005002017 14010004034 21015006051 42030012102