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7070473421 = 11642770311
BaseRepresentation
bin1101001010110111…
…01101110011001101
3200020202100021010222
412211123231303031
5103440020122141
63125332441125
7340133014064
oct64533556315
920222307128
107070473421
112aa9109370
121453a791a5
13888aac0ab
144b10631db
152b5ada14b
hex1a56edccd

7070473421 has 4 divisors (see below), whose sum is σ = 7713243744. Its totient is φ = 6427703100.

The previous prime is 7070473381. The next prime is 7070473433. The reversal of 7070473421 is 1243740707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7070473421 - 26 = 7070473357 is a prime.

It is a super-3 number, since 3×70704734213 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7070473471) 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, 321385145 + ... + 321385166.

It is an arithmetic number, because the mean of its divisors is an integer number (1928310936).

Almost surely, 27070473421 is an apocalyptic number.

It is an amenable number.

7070473421 is a deficient number, since it is larger than the sum of its proper divisors (642770323).

7070473421 is a wasteful number, since it uses less digits than its factorization.

7070473421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642770322.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 7070473421 is about 84086.1071818645. The cubic root of 7070473421 is about 1919.3293213249.

The spelling of 7070473421 in words is "seven billion, seventy million, four hundred seventy-three thousand, four hundred twenty-one".

Divisors: 1 11 642770311 7070473421