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21011022033130 = 2528323911310501
BaseRepresentation
bin1001100011100000000101…
…00000010011000011101010
32202101122010020210020011001
410301300002200103003222
510223221033120030010
6112404155201025214
74265665466351203
oct461600240230352
982348106706131
1021011022033130
1167707a71aa618
1224340b092520a
13b9543bc1c86c
14528d2046c5aa
1526682908ec3a
hex131c028130ea

21011022033130 has 32 divisors (see below), whose sum is σ = 37955188188288. Its totient is φ = 8374334040000.

The previous prime is 21011022033017. The next prime is 21011022033137. The reversal of 21011022033130 is 3133022011012.

It is a junction number, because it is equal to n+sod(n) for n = 21011022033098 and 21011022033107.

It is not an unprimeable number, because it can be changed into a prime (21011022033137) 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, 67512880 + ... + 67823380.

It is an arithmetic number, because the mean of its divisors is an integer number (1186099630884).

Almost surely, 221011022033130 is an apocalyptic number.

21011022033130 is a deficient number, since it is larger than the sum of its proper divisors (16944166155158).

21011022033130 is a wasteful number, since it uses less digits than its factorization.

21011022033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334702.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21011022033130 its reverse (3133022011012), we get a palindrome (24144044044142).

The spelling of 21011022033130 in words is "twenty-one trillion, eleven billion, twenty-two million, thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 283 566 1415 2830 23911 47822 119555 239110 310501 621002 1552505 3105010 6766813 13533626 33834065 67668130 87871783 175743566 439358915 878717830 7424389411 14848778822 37121947055 74243894110 2101102203313 4202204406626 10505511016565 21011022033130