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30520015653441 = 319535438871113
BaseRepresentation
bin1101111000001111111101…
…01100010000101001000001
311000001200111100220000110110
412330013332230100221001
513000014443001402231
6144524411315221533
76266666303456406
oct674077654205101
9130050440800413
1030520015653441
1197a75141aa1a6
12350ab975a78a9
131405043285832
147772689ac2ad
1537dd67c1b046
hex1bc1feb10a41

30520015653441 has 8 divisors (see below), whose sum is σ = 42835109689120. Its totient is φ = 19275799360032.

The previous prime is 30520015653389. The next prime is 30520015653469. The reversal of 30520015653441 is 14435651002503.

It is a happy number.

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

It is not a de Polignac number, because 30520015653441 - 215 = 30520015620673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30520015653441.

It is not an unprimeable number, because it can be changed into a prime (30520015653241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267719435500 + ... + 267719435613.

It is an arithmetic number, because the mean of its divisors is an integer number (5354388711140).

Almost surely, 230520015653441 is an apocalyptic number.

It is an amenable number.

30520015653441 is a deficient number, since it is larger than the sum of its proper divisors (12315094035679).

30520015653441 is a wasteful number, since it uses less digits than its factorization.

30520015653441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535438871135.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 30520015653441 its reverse (14435651002503), we get a palindrome (44955666655944).

The spelling of 30520015653441 in words is "thirty trillion, five hundred twenty billion, fifteen million, six hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 3 19 57 535438871113 1606316613339 10173338551147 30520015653441