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10015315078643 = 72953930877877
BaseRepresentation
bin1001000110111101111101…
…0011000010110111110011
31022110110021112020212011022
42101233133103002313303
52303042331130004033
633144550000210055
72052403562354330
oct221573723026763
938413245225138
1010015315078643
113211520299306
12115905090992b
13578595051734
14268a5b12d987
151257c4744098
hex91bdf4c2df3

10015315078643 has 16 divisors (see below), whose sum is σ = 12064177298880. Its totient is φ = 8132149124736.

The previous prime is 10015315078609. The next prime is 10015315078651. The reversal of 10015315078643 is 34687051351001.

It is a happy number.

It is not a de Polignac number, because 10015315078643 - 216 = 10015315013107 is a prime.

It is a super-2 number, since 2×100153150786432 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10015315078594 and 10015315078603.

It is not an unprimeable number, because it can be changed into a prime (10015315078843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465428180 + ... + 465449697.

It is an arithmetic number, because the mean of its divisors is an integer number (754011081180).

Almost surely, 210015315078643 is an apocalyptic number.

10015315078643 is a deficient number, since it is larger than the sum of its proper divisors (2048862220237).

10015315078643 is an equidigital number, since it uses as much as digits as its factorization.

10015315078643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930877966.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 10015315078643 in words is "ten trillion, fifteen billion, three hundred fifteen million, seventy-eight thousand, six hundred forty-three".

Divisors: 1 7 29 53 203 371 1537 10759 930877877 6516145139 26995458433 49336527481 188968209031 345355692367 1430759296949 10015315078643