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23030200113020 = 225431371033318917
BaseRepresentation
bin1010011110010001000101…
…11001011001011101111100
310000112122222020120110221022
411033020202321121131330
511004311322212104040
6120551532230523312
74564606554012512
oct517104271313574
9100478866513838
1023030200113020
11737a064627701
1226bb4a7506538
13cb097a7a25a9
1459894bdb04b2
1529e105a816b5
hex14f222e5977c

23030200113020 has 96 divisors (see below), whose sum is σ = 49856838026688. Its totient is φ = 8930831357952.

The previous prime is 23030200113013. The next prime is 23030200113047. The reversal of 23030200113020 is 2031100203032.

It is a self number, because there is not a number n which added to its sum of digits gives 23030200113020.

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, 1217424602 + ... + 1217443518.

It is an arithmetic number, because the mean of its divisors is an integer number (519342062778).

Almost surely, 223030200113020 is an apocalyptic number.

23030200113020 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 23030200113020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24928419013344).

23030200113020 is an abundant number, since it is smaller than the sum of its proper divisors (26826637913668).

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

23030200113020 is a wasteful number, since it uses less digits than its factorization.

23030200113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29439 (or 29437 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23030200113020 its reverse (2031100203032), we get a palindrome (25061300316052).

The spelling of 23030200113020 in words is "twenty-three trillion, thirty billion, two hundred million, one hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 137 172 215 274 430 548 685 860 1370 2740 5891 10333 11782 18917 20666 23564 29455 37834 41332 51665 58910 75668 94585 103330 117820 189170 206660 378340 444319 813431 888638 1415621 1626862 1777276 2221595 2591629 2831242 3253724 4067155 4443190 5183258 5662484 7078105 8134310 8886380 10366516 12958145 14156210 16268620 25916290 28312420 51832580 60871703 111440047 121743406 195469361 222880094 243486812 304358515 390938722 445760188 557200235 608717030 781877444 977346805 1114400470 1217434060 1954693610 2228800940 3909387220 8405182523 16810365046 26779302457 33620730092 42025912615 53558604914 84051825230 107117209828 133896512285 168103650460 267793024570 535586049140 1151510005651 2303020011302 4606040022604 5757550028255 11515100056510 23030200113020