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21214036533526 = 231342161879573
BaseRepresentation
bin1001101001011010001110…
…00111001010000100010110
32210010001010200101101210021
410310231013013022010112
510240032321323033101
6113041332134215354
74316443413213124
oct464550707120426
983101120341707
1021214036533526
116839905635561
122467509ab455a
13bab62392c385
14534a9ca4c914
1526bc5bebe5a1
hex134b471ca116

21214036533526 has 8 divisors (see below), whose sum is σ = 32847540439104. Its totient is φ = 10264856387160.

The previous prime is 21214036533497. The next prime is 21214036533581. The reversal of 21214036533526 is 62533563041212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171080939725 + ... + 171080939848.

It is an arithmetic number, because the mean of its divisors is an integer number (4105942554888).

Almost surely, 221214036533526 is an apocalyptic number.

21214036533526 is a deficient number, since it is larger than the sum of its proper divisors (11633503905578).

21214036533526 is a wasteful number, since it uses less digits than its factorization.

21214036533526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342161879606.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 21214036533526 its reverse (62533563041212), we get a palindrome (83747599574738).

The spelling of 21214036533526 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-three thousand, five hundred twenty-six".

Divisors: 1 2 31 62 342161879573 684323759146 10607018266763 21214036533526