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70102080523 = 304922991827
BaseRepresentation
bin100000101001001101…
…0001101110000001011
320200221112102200000201
41001102122031300023
52122032113034043
652112054513031
75031123565336
oct1012232156013
9220845380021
1070102080523
1127803884742
1211705065777
1367c2639127
1435703c961d
151c54576c4d
hex105268dc0b

70102080523 has 4 divisors (see below), whose sum is σ = 70125075400. Its totient is φ = 70079085648.

The previous prime is 70102080497. The next prime is 70102080569. The reversal of 70102080523 is 32508020107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32508020107 = 283114869329.

It is a cyclic number.

It is not a de Polignac number, because 70102080523 - 29 = 70102080011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70102080491 and 70102080500.

It is not an unprimeable number, because it can be changed into a prime (70102080593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11492865 + ... + 11498962.

It is an arithmetic number, because the mean of its divisors is an integer number (17531268850).

Almost surely, 270102080523 is an apocalyptic number.

70102080523 is a deficient number, since it is larger than the sum of its proper divisors (22994877).

70102080523 is a wasteful number, since it uses less digits than its factorization.

70102080523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22994876.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 70102080523 in words is "seventy billion, one hundred two million, eighty thousand, five hundred twenty-three".

Divisors: 1 3049 22991827 70102080523