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1302010123020 = 2235191321864583
BaseRepresentation
bin10010111100100101110…
…110011101001100001100
311121110201022202021121220
4102330211312131030030
5132313004042414040
62434045111323340
7163032011304345
oct22744566351414
94543638667556
101302010123020
114621a7853392
12190408680550
1395a186a7349
144703651b0cc
1523d056372d0
hex12f25d9d30c

1302010123020 has 96 divisors (see below), whose sum is σ = 3840412961280. Its totient is φ = 328679493120.

The previous prime is 1302010123013. The next prime is 1302010123031. The reversal of 1302010123020 is 203210102031.

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, 1073649 + ... + 1938231.

It is an arithmetic number, because the mean of its divisors is an integer number (40004301680).

Almost surely, 21302010123020 is an apocalyptic number.

1302010123020 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 1302010123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920206480640).

1302010123020 is an abundant number, since it is smaller than the sum of its proper divisors (2538402838260).

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

1302010123020 is a wasteful number, since it uses less digits than its factorization.

1302010123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865935 (or 865933 counting only the distinct ones).

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

Adding to 1302010123020 its reverse (203210102031), we get a palindrome (1505220225051).

The spelling of 1302010123020 in words is "one trillion, three hundred two billion, ten million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 1321 2642 3963 5284 6605 7926 13210 15852 19815 25099 26420 39630 50198 75297 79260 100396 125495 150594 250990 301188 376485 501980 752970 864583 1505940 1729166 2593749 3458332 4322915 5187498 8645830 10374996 12968745 16427077 17291660 25937490 32854154 49281231 51874980 65708308 82135385 98562462 164270770 197124924 246406155 328541540 492812310 985624620 1142114143 2284228286 3426342429 4568456572 5710570715 6852684858 11421141430 13705369716 17131712145 21700168717 22842282860 34263424290 43400337434 65100506151 68526848580 86800674868 108500843585 130201012302 217001687170 260402024604 325502530755 434003374340 651005061510 1302010123020