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1302010112020 = 22597671139233
BaseRepresentation
bin10010111100100101110…
…110011010100000010100
311121110201022201201112111
4102330211312122200110
5132313004042041040
62434045111200404
7163032011230312
oct22744566324024
94543638651474
101302010112020
114621a78460a2
12190408676104
1395a186a2337
14470365170b2
1523d05633dea
hex12f25d9a814

1302010112020 has 24 divisors (see below), whose sum is σ = 2762409087144. Its totient is φ = 515434930176.

The previous prime is 1302010112009. The next prime is 1302010112021. The reversal of 1302010112020 is 202110102031.

Adding to 1302010112020 its reverse (202110102031), we get a palindrome (1504120214051).

It can be written as a sum of positive squares in 4 ways, for example, as 117147383824 + 1184862728196 = 342268^2 + 1088514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302010112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335567677 + ... + 335571556.

It is an arithmetic number, because the mean of its divisors is an integer number (115100378631).

Almost surely, 21302010112020 is an apocalyptic number.

1302010112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302010112020 is an abundant number, since it is smaller than the sum of its proper divisors (1460398975124).

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

1302010112020 is a wasteful number, since it uses less digits than its factorization.

1302010112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671139339 (or 671139337 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The spelling of 1302010112020 in words is "one trillion, three hundred two billion, ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 671139233 1342278466 2684556932 3355696165 6711392330 13422784660 65100505601 130201011202 260402022404 325502528005 651005056010 1302010112020