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23163142000 = 245383139537
BaseRepresentation
bin10101100100101000…
…010111111101110000
32012210021112112100011
4111210220113331300
5334414231021000
614350242304304
71450001313145
oct254450277560
965707475304
1023163142000
119906a98469
1245a5358094
132251b0caab
14119a4383cc
159087d82ba
hex564a17f70

23163142000 has 80 divisors (see below), whose sum is σ = 56683684512. Its totient is φ = 9153561600.

The previous prime is 23163141959. The next prime is 23163142001. The reversal of 23163142000 is 24136132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×231631420002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23163142001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96232 + ... + 235768.

Almost surely, 223163142000 is an apocalyptic number.

23163142000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23163142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28341842256).

23163142000 is an abundant number, since it is smaller than the sum of its proper divisors (33520542512).

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

23163142000 is a wasteful number, since it uses less digits than its factorization.

23163142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139643 (or 139627 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23163142000 its reverse (24136132), we get a palindrome (23187278132).

The spelling of 23163142000 in words is "twenty-three billion, one hundred sixty-three million, one hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 125 166 200 250 332 400 415 500 664 830 1000 1328 1660 2000 2075 3320 4150 6640 8300 10375 16600 20750 33200 41500 83000 139537 166000 279074 558148 697685 1116296 1395370 2232592 2790740 3488425 5581480 6976850 11162960 11581571 13953700 17442125 23163142 27907400 34884250 46326284 55814800 57907855 69768500 92652568 115815710 139537000 185305136 231631420 279074000 289539275 463262840 579078550 926525680 1158157100 1447696375 2316314200 2895392750 4632628400 5790785500 11581571000 23163142000