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21230331033001 = 1034572087216113
BaseRepresentation
bin1001101001111000100100…
…10101101111010110101001
32210011121012021100201220211
410310330102111233112221
510240314204221024001
6113053025054021121
74320561252163366
oct464742225572651
983147167321824
1021230331033001
116845807438152
12246a6b6aa77a1
13bb001c70883c
145357a6b6146d
1526c3b2789351
hex134f1256f5a9

21230331033001 has 16 divisors (see below), whose sum is σ = 21493750996224. Its totient is φ = 20968057603584.

The previous prime is 21230331032993. The next prime is 21230331033059. The reversal of 21230331033001 is 10033013303212.

It is a cyclic number.

It is not a de Polignac number, because 21230331033001 - 23 = 21230331032993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230331033061) 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, 98129121 + ... + 98345233.

It is an arithmetic number, because the mean of its divisors is an integer number (1343359437264).

Almost surely, 221230331033001 is an apocalyptic number.

It is an amenable number.

21230331033001 is a deficient number, since it is larger than the sum of its proper divisors (263419963223).

21230331033001 is a wasteful number, since it uses less digits than its factorization.

21230331033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218760.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21230331033001 its reverse (10033013303212), we get a palindrome (31263344336213).

The spelling of 21230331033001 in words is "twenty-one trillion, two hundred thirty billion, three hundred thirty-one million, thirty-three thousand, one".

Divisors: 1 103 457 2087 47071 214961 216113 953759 22259639 98237177 98763641 451027831 10172655023 46455866593 206119718767 21230331033001