Search a number
-
+
1021013100300 = 2235216720379503
BaseRepresentation
bin11101101101110010001…
…11111000011100001100
310121121102011021112002010
432312321013320130030
5113212013323202200
62101014050101220
7133523441105064
oct16667107703414
93547364245063
101021013100300
11364011306196
12145a6727a810
13753868193bb
14375bb0ca3a4
151b85b400150
hexedb91f870c

1021013100300 has 72 divisors (see below), whose sum is σ = 2971820791296. Its totient is φ = 270639786560.

The previous prime is 1021013100251. The next prime is 1021013100361. The reversal of 1021013100300 is 30013101201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10139652 + ... + 10239851.

It is an arithmetic number, because the mean of its divisors is an integer number (41275288768).

Almost surely, 21021013100300 is an apocalyptic number.

1021013100300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021013100300 is an abundant number, since it is smaller than the sum of its proper divisors (1950807690996).

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

1021013100300 is a wasteful number, since it uses less digits than its factorization.

1021013100300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20379687 (or 20379680 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1021013100300 its reverse (30013101201), we get a palindrome (1051026201501).

Subtracting from 1021013100300 its reverse (30013101201), we obtain a palindrome (990999999099).

The spelling of 1021013100300 in words is "one trillion, twenty-one billion, thirteen million, one hundred thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 167 300 334 501 668 835 1002 1670 2004 2505 3340 4175 5010 8350 10020 12525 16700 25050 50100 20379503 40759006 61138509 81518012 101897515 122277018 203795030 244554036 305692545 407590060 509487575 611385090 1018975150 1222770180 1528462725 2037950300 3056925450 3403377001 6113850900 6806754002 10210131003 13613508004 17016885005 20420262006 34033770010 40840524012 51050655015 68067540020 85084425025 102101310030 170168850050 204202620060 255253275075 340337700100 510506550150 1021013100300