Search a number
-
+
1303121120200 = 235218192938749
BaseRepresentation
bin10010111101101000000…
…100100100101111001000
311121120120202021210020121
4102331220010210233020
5132322243001321300
62434351240033024
7163101361522234
oct22755004445710
94546522253217
101303121120200
11462717999a79
12190678762774
1395b64908723
14470ddcbd5c4
1523d6ce4181a
hex12f68124bc8

1303121120200 has 96 divisors (see below), whose sum is σ = 3049853625000. Its totient is φ = 517797273600.

The previous prime is 1303121120167. The next prime is 1303121120219. The reversal of 1303121120200 is 20211213031.

It can be written as a sum of positive squares in 12 ways, for example, as 207569537604 + 1095551582596 = 455598^2 + 1046686^2 .

It is a super-2 number, since 2×13031211202002 (a number of 25 digits) contains 22 as substring.

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, 33610426 + ... + 33649174.

Almost surely, 21303121120200 is an apocalyptic number.

1303121120200 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 1303121120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524926812500).

1303121120200 is an abundant number, since it is smaller than the sum of its proper divisors (1746732504800).

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

1303121120200 is a wasteful number, since it uses less digits than its factorization.

1303121120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39875 (or 39866 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1303121120200 its reverse (20211213031), we get a palindrome (1323332333231).

The spelling of 1303121120200 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 181 200 362 724 905 929 1448 1810 1858 3620 3716 4525 4645 7240 7432 9050 9290 18100 18580 23225 36200 37160 38749 46450 77498 92900 154996 168149 185800 193745 309992 336298 387490 672596 774980 840745 968725 1345192 1549960 1681490 1937450 3362980 3874900 4203725 6725960 7013569 7749800 8407450 14027138 16814900 28054276 33629800 35067845 35997821 56108552 70135690 71995642 140271380 143991284 175339225 179989105 280542760 287982568 350678450 359978210 701356900 719956420 899945525 1402713800 1439912840 1799891050 3599782100 6515605601 7199564200 13031211202 26062422404 32578028005 52124844808 65156056010 130312112020 162890140025 260624224040 325780280050 651560560100 1303121120200