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70243823031 = 3151155063627
BaseRepresentation
bin100000101101011011…
…0111010110110110111
320201022102010221012020
41001122312322312313
52122324404314111
652134120524223
75034464433654
oct1013266726667
9221272127166
1070243823031
1127876896a08
1211744620673
136815b06635
143585164c2b
151c61c24906
hex105adbadb7

70243823031 has 8 divisors (see below), whose sum is σ = 94278685824. Its totient is φ = 46519087800.

The previous prime is 70243822993. The next prime is 70243823033. The reversal of 70243823031 is 13032834207.

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

It is not a de Polignac number, because 70243823031 - 26 = 70243822967 is a prime.

It is a super-2 number, since 2×702438230312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70243822983 and 70243823001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70243823033) 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, 77531361 + ... + 77532266.

It is an arithmetic number, because the mean of its divisors is an integer number (11784835728).

Almost surely, 270243823031 is an apocalyptic number.

70243823031 is a deficient number, since it is larger than the sum of its proper divisors (24034862793).

70243823031 is a wasteful number, since it uses less digits than its factorization.

70243823031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155063781.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 70243823031 in words is "seventy billion, two hundred forty-three million, eight hundred twenty-three thousand, thirty-one".

Divisors: 1 3 151 453 155063627 465190881 23414607677 70243823031