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10111100142 = 23111352122619
BaseRepresentation
bin10010110101010101…
…10010010011101110
3222002122211002212110
421122222302103232
5131201420201032
64351151544450
7505363635033
oct113252622356
928078732773
1010111100142
1143194a8210
121b6222b126
13c51a194c0
146bcc0338a
153e2a067cc
hex25aab24ee

10111100142 has 64 divisors (see below), whose sum is σ = 23804202240. Its totient is φ = 2822726400.

The previous prime is 10111100137. The next prime is 10111100143. The reversal of 10111100142 is 24100111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111100143) 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, 435709 + ... + 458327.

It is an arithmetic number, because the mean of its divisors is an integer number (371940660).

Almost surely, 210111100142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111100142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11902101120).

10111100142 is an abundant number, since it is smaller than the sum of its proper divisors (13693102098).

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

10111100142 is a wasteful number, since it uses less digits than its factorization.

10111100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10111100142 its reverse (24100111101), we get a palindrome (34211211243).

The spelling of 10111100142 in words is "ten billion, one hundred eleven million, one hundred thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 521 858 1042 1563 3126 5731 6773 11462 13546 17193 20319 22619 34386 40638 45238 67857 74503 135714 149006 223509 248809 294047 447018 497618 588094 746427 882141 1492854 1764282 3234517 6469034 9703551 11784499 19407102 23568998 35353497 70706994 129629489 153198487 259258978 306396974 388888467 459595461 777776934 919190922 1685183357 3370366714 5055550071 10111100142