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70303400513 = 733989241429
BaseRepresentation
bin100000101111001101…
…0001100001001000001
320201110120020210010122
41001132122030021001
52122440132304023
652144045510025
75036120021153
oct1013632141101
9221416223118
1070303400513
11278a74893a5
1211760572315
136825266198
14358d032ad3
151c670922c8
hex105e68c241

70303400513 has 8 divisors (see below), whose sum is σ = 71284621800. Its totient is φ = 69322670208.

The previous prime is 70303400507. The next prime is 70303400527. The reversal of 70303400513 is 31500430307.

It can be written as a sum of positive squares in 4 ways, for example, as 5047676209 + 65255724304 = 71047^2 + 255452^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70303400513 - 28 = 70303400257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70303400213) 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, 170483 + ... + 411911.

It is an arithmetic number, because the mean of its divisors is an integer number (8910577725).

Almost surely, 270303400513 is an apocalyptic number.

70303400513 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

70303400513 is a deficient number, since it is larger than the sum of its proper divisors (981221287).

70303400513 is a wasteful number, since it uses less digits than its factorization.

70303400513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245491.

The product of its (nonzero) digits is 3780, while the sum is 26.

The spelling of 70303400513 in words is "seventy billion, three hundred three million, four hundred thousand, five hundred thirteen".

Divisors: 1 73 3989 241429 291197 17624317 963060281 70303400513