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1013120302020 = 2235891697111799
BaseRepresentation
bin11101011111000101010…
…11001111101111000100
310120212001002120211021220
432233202223033233010
5113044332244131040
62053230540040340
7133124031323301
oct16574253175704
93525032524256
101013120302020
11360730aa9002
12144423b330b0
13746c956ba68
143706cb6a0a8
151b54852d2d0
hexebe2acfbc4

1013120302020 has 96 divisors (see below), whose sum is σ = 2870326368000. Its totient is φ = 266970046464.

The previous prime is 1013120301989. The next prime is 1013120302031. The reversal of 1013120302020 is 202030213101.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 9006081 + ... + 9117879.

It is an arithmetic number, because the mean of its divisors is an integer number (29899233000).

Almost surely, 21013120302020 is an apocalyptic number.

1013120302020 is a gapful number since it is divisible by the number (10) 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 1013120302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435163184000).

1013120302020 is an abundant number, since it is smaller than the sum of its proper divisors (1857206065980).

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

1013120302020 is a wasteful number, since it uses less digits than its factorization.

1013120302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113597 (or 113595 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1013120302020 its reverse (202030213101), we get a palindrome (1215150515121).

The spelling of 1013120302020 in words is "one trillion, thirteen billion, one hundred twenty million, three hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1697 1780 2670 3394 5091 5340 6788 8485 10182 16970 20364 25455 33940 50910 101820 111799 151033 223598 302066 335397 447196 453099 558995 604132 670794 755165 906198 1117990 1341588 1510330 1676985 1812396 2235980 2265495 3020660 3353970 4530990 6707940 9061980 9950111 19900222 29850333 39800444 49750555 59700666 99501110 119401332 149251665 189722903 199002220 298503330 379445806 569168709 597006660 758891612 948614515 1138337418 1897229030 2276674836 2845843545 3794458060 5691687090 11383374180 16885338367 33770676734 50656015101 67541353468 84426691835 101312030202 168853383670 202624060404 253280075505 337706767340 506560151010 1013120302020