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15405041053 is a prime number
BaseRepresentation
bin11100101100011011…
…00100010110011101
31110202121022011120001
432112031210112131
5223022142303203
611024343254301
71053515455063
oct162615442635
943677264501
1015405041053
116595820396
122b9b14a391
1315b673400c
14a61d3c033
1560267191d
hex39636459d

15405041053 has 2 divisors, whose sum is σ = 15405041054. Its totient is φ = 15405041052.

The previous prime is 15405040999. The next prime is 15405041081. The reversal of 15405041053 is 35014050451.

It is an a-pointer prime, because the next prime (15405041081) can be obtained adding 15405041053 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13890508164 + 1514532889 = 117858^2 + 38917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15405041053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15405041083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7702520526 + 7702520527.

It is an arithmetic number, because the mean of its divisors is an integer number (7702520527).

Almost surely, 215405041053 is an apocalyptic number.

It is an amenable number.

15405041053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15405041053 is an equidigital number, since it uses as much as digits as its factorization.

15405041053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 15405041053 in words is "fifteen billion, four hundred five million, forty-one thousand, fifty-three".