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20130300312 = 2337919953353
BaseRepresentation
bin10010101111110111…
…000000000110011000
31220221220201012200020
4102233313000012120
5312211324102222
613125302110440
71311563505123
oct225767000630
956856635606
1020130300312
1185a0036631
123a9971b420
131b8a69a005
14d8d7233ba
157cc40865c
hex4afdc0198

20130300312 has 64 divisors (see below), whose sum is σ = 51219840000. Its totient is φ = 6591746304.

The previous prime is 20130300271. The next prime is 20130300341. The reversal of 20130300312 is 21300303102.

It is a junction number, because it is equal to n+sod(n) for n = 20130300291 and 20130300300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350628 + ... + 403980.

It is an arithmetic number, because the mean of its divisors is an integer number (800310000).

Almost surely, 220130300312 is an apocalyptic number.

It is an amenable number.

20130300312 is an abundant number, since it is smaller than the sum of its proper divisors (31089539688).

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

20130300312 is a wasteful number, since it uses less digits than its factorization.

20130300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53640 (or 53636 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20130300312 its reverse (21300303102), we get a palindrome (41430603414).

The spelling of 20130300312 in words is "twenty billion, one hundred thirty million, three hundred thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 79 158 199 237 316 398 474 597 632 796 948 1194 1592 1896 2388 4776 15721 31442 47163 53353 62884 94326 106706 125768 160059 188652 213412 320118 377304 426824 640236 1280472 4214887 8429774 10617247 12644661 16859548 21234494 25289322 31851741 33719096 42468988 50578644 63703482 84937976 101157288 127406964 254813928 838762513 1677525026 2516287539 3355050052 5032575078 6710100104 10065150156 20130300312