Search a number
-
+
1303101012020 = 225236709422243
BaseRepresentation
bin10010111101100110110…
…111110111100000110100
311121120112100110012000012
4102331212313313200310
5132322222324341040
62434345241035352
7163101025562633
oct22754667674064
94546470405005
101303101012020
11462707605445
12190671a85b58
1395b606b7cb2
14470db36751a
1523d6b2bd865
hex12f66df7834

1303101012020 has 48 divisors (see below), whose sum is σ = 2855923297920. Its totient is φ = 498502283136.

The previous prime is 1303101012007. The next prime is 1303101012023. The reversal of 1303101012020 is 202101013031.

It is a junction number, because it is equal to n+sod(n) for n = 1303101011986 and 1303101012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303101012023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875019 + ... + 3297261.

It is an arithmetic number, because the mean of its divisors is an integer number (59498402040).

Almost surely, 21303101012020 is an apocalyptic number.

1303101012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303101012020 is an abundant number, since it is smaller than the sum of its proper divisors (1552822285900).

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

1303101012020 is a wasteful number, since it uses less digits than its factorization.

1303101012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428984 (or 428982 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1303101012020 its reverse (202101013031), we get a palindrome (1505202025051).

The spelling of 1303101012020 in words is "one trillion, three hundred three billion, one hundred one million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 6709 13418 26836 33545 67090 134180 154307 308614 422243 617228 771535 844486 1543070 1688972 2111215 3086140 4222430 8444860 9711589 19423178 38846356 48557945 97115890 194231780 2832828287 5665656574 11331313148 14164141435 28328282870 56656565740 65155050601 130310101202 260620202404 325775253005 651550506010 1303101012020