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10142442030 = 2357147132833
BaseRepresentation
bin10010111001000100…
…10110001000101110
3222011211210102212010
421130202112020232
5131232431121110
64354231422050
7506224222560
oct113442261056
928154712763
1010142442030
1143351648a6
121b70824926
13c583711b6
146c3041330
153e5648020
hex25c89622e

10142442030 has 64 divisors (see below), whose sum is σ = 27839029248. Its totient is φ = 2316625920.

The previous prime is 10142442007. The next prime is 10142442031. The reversal of 10142442030 is 3024424101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 10142441988 and 10142442006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142442031) 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, 292494 + ... + 325326.

It is an arithmetic number, because the mean of its divisors is an integer number (434984832).

Almost surely, 210142442030 is an apocalyptic number.

10142442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10142442030 is an abundant number, since it is smaller than the sum of its proper divisors (17696587218).

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

10142442030 is a wasteful number, since it uses less digits than its factorization.

10142442030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34321.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10142442030 its reverse (3024424101), we get a palindrome (13166866131).

The spelling of 10142442030 in words is "ten billion, one hundred forty-two million, four hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1471 2942 4413 7355 8826 10297 14710 20594 22065 30891 32833 44130 51485 61782 65666 98499 102970 154455 164165 196998 229831 308910 328330 459662 492495 689493 984990 1149155 1378986 2298310 3447465 6894930 48297343 96594686 144892029 241486715 289784058 338081401 482973430 676162802 724460145 1014244203 1448920290 1690407005 2028488406 3380814010 5071221015 10142442030