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21442023402433 = 151181964981307
BaseRepresentation
bin1001110000000010111000…
…01100000010101111000001
32210220211121110220022221221
410320001130030002233001
510302301230442334213
6113334155104115041
74342064220504124
oct470013414025701
983824543808857
1021442023402433
116917569244587
1224a3736305a81
13bc6c8821c4ba
14541b29a623bb
15272b5246438d
hex13805c302bc1

21442023402433 has 16 divisors (see below), whose sum is σ = 21705788540800. Its totient is φ = 21179887776000.

The previous prime is 21442023402389. The next prime is 21442023402451. The reversal of 21442023402433 is 33420432024412.

It is a cyclic number.

It is not a de Polignac number, because 21442023402433 - 213 = 21442023394241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21442023402493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263676166 + ... + 263757472.

It is an arithmetic number, because the mean of its divisors is an integer number (1356611783800).

Almost surely, 221442023402433 is an apocalyptic number.

It is an amenable number.

21442023402433 is a deficient number, since it is larger than the sum of its proper divisors (263765138367).

21442023402433 is a wasteful number, since it uses less digits than its factorization.

21442023402433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91288.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 21442023402433 its reverse (33420432024412), we get a palindrome (54862455426845).

The spelling of 21442023402433 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred two thousand, four hundred thirty-three".

Divisors: 1 151 181 9649 27331 81307 1456999 1746469 12277357 14716567 263716819 784531243 2222201617 118464217693 142000154983 21442023402433