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718380474145 = 5143676094829
BaseRepresentation
bin10100111010000101101…
…00000001111100100001
32112200021011121020011121
422131002310001330201
543232220400133040
61310004110412241
7102621065164465
oct12350264017441
92480234536147
10718380474145
1125773305a9a4
12b7288201081
1352987463449
1426aac4924a5
1513a47a68c4a
hexa742d01f21

718380474145 has 4 divisors (see below), whose sum is σ = 862056568980. Its totient is φ = 574704379312.

The previous prime is 718380474113. The next prime is 718380474187. The reversal of 718380474145 is 541474083817.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379983479184 + 338396994961 = 616428^2 + 581719^2 .

It is a cyclic number.

It is not a de Polignac number, because 718380474145 - 25 = 718380474113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718380474092 and 718380474101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71838047410 + ... + 71838047419.

It is an arithmetic number, because the mean of its divisors is an integer number (215514142245).

Almost surely, 2718380474145 is an apocalyptic number.

It is an amenable number.

718380474145 is a deficient number, since it is larger than the sum of its proper divisors (143676094835).

718380474145 is a wasteful number, since it uses less digits than its factorization.

718380474145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143676094834.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 718380474145 in words is "seven hundred eighteen billion, three hundred eighty million, four hundred seventy-four thousand, one hundred forty-five".

Divisors: 1 5 143676094829 718380474145