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540513504103013 = 72617310037178037
BaseRepresentation
bin111101011100110000001101…
…1011010001000101001100101
32121212210120211110001212202222
41322321200123122020221211
51031321233124022244023
65153324250441042125
7221564545340051600
oct17271403332105145
92555716743055688
10540513504103013
111472515429a9851
125075717aa86345
131a27a287a3b6cc
149768dc9427337
154274ee3a78cc8
hex1eb981b688a65

540513504103013 has 24 divisors (see below), whose sum is σ = 628928650361592. Its totient is φ = 463173483986304.

The previous prime is 540513504103009. The next prime is 540513504103019. The reversal of 540513504103013 is 310301405315045.

It can be written as a sum of positive squares in 4 ways, for example, as 85938681409 + 540427565421604 = 293153^2 + 23247098^2 .

It is not a de Polignac number, because 540513504103013 - 22 = 540513504103009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540513504103019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3035872631 + ... + 3036050667.

It is an arithmetic number, because the mean of its divisors is an integer number (26205360431733).

Almost surely, 2540513504103013 is an apocalyptic number.

It is an amenable number.

540513504103013 is a deficient number, since it is larger than the sum of its proper divisors (88415146258579).

540513504103013 is a wasteful number, since it uses less digits than its factorization.

540513504103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194261 (or 194254 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 540513504103013 its reverse (310301405315045), we get a palindrome (850814909418058).

The spelling of 540513504103013 in words is "five hundred forty trillion, five hundred thirteen billion, five hundred four million, one hundred three thousand, thirteen".

Divisors: 1 7 49 6173 10037 43211 70259 178037 302477 491813 1246259 8723813 61958401 433708807 1099022401 1786957369 3035961649 7693156807 12508701583 53852097649 87560911081 11030887838837 77216214871859 540513504103013