Search a number
-
+
1301020102020 = 2235372512334841
BaseRepresentation
bin10010111011101010110…
…101110100110110000100
311121101011022212000010110
4102323222311310312010
5132303442121231040
62433402543553020
7162665330254632
oct22735265646604
94541138760113
101301020102020
11461839a25a11
12190190bbb770
13958bb5522c2
1446d80c4a352
1523c98777980
hex12eead74d84

1301020102020 has 96 divisors (see below), whose sum is σ = 3756219094656. Its totient is φ = 336216960000.

The previous prime is 1301020102001. The next prime is 1301020102111. The reversal of 1301020102020 is 202010201031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1301020101987 and 1301020102005.

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, 610201 + ... + 1724640.

It is an arithmetic number, because the mean of its divisors is an integer number (39127282236).

Almost surely, 21301020102020 is an apocalyptic number.

1301020102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301020102020 is an abundant number, since it is smaller than the sum of its proper divisors (2455198992636).

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

1301020102020 is a wasteful number, since it uses less digits than its factorization.

1301020102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335141 (or 2335139 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1301020102020 its reverse (202010201031), we get a palindrome (1503030303051).

The spelling of 1301020102020 in words is "one trillion, three hundred one billion, twenty million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 251 370 444 502 555 740 753 1004 1110 1255 1506 2220 2510 3012 3765 5020 7530 9287 15060 18574 27861 37148 46435 55722 92870 111444 139305 185740 278610 557220 2334841 4669682 7004523 9339364 11674205 14009046 23348410 28018092 35022615 46696820 70045230 86389117 140090460 172778234 259167351 345556468 431945585 518334702 586045091 863891170 1036669404 1172090182 1295836755 1727782340 1758135273 2344180364 2591673510 2930225455 3516270546 5183347020 5860450910 7032541092 8790676365 11720901820 17581352730 21683668367 35162705460 43367336734 65051005101 86734673468 108418341835 130102010202 216836683670 260204020404 325255025505 433673367340 650510051010 1301020102020