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70424021141 = 81186836031
BaseRepresentation
bin100000110010110011…
…0010100100010010101
320201202222012221112022
41001211212110202111
52123212022134031
652204035102525
75042113205615
oct1014546244225
9221688187468
1070424021141
1127959584471
1211794a41a45
136844249736
1435a1070a45
151c7296b97b
hex1065994895

70424021141 has 4 divisors (see below), whose sum is σ = 70510857984. Its totient is φ = 70337184300.

The previous prime is 70424021137. The next prime is 70424021147. The reversal of 70424021141 is 14112042407.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14112042407 = 56671249017.

It is a cyclic number.

It is not a de Polignac number, because 70424021141 - 22 = 70424021137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70424021141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70424021147) 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, 43417205 + ... + 43418826.

It is an arithmetic number, because the mean of its divisors is an integer number (17627714496).

Almost surely, 270424021141 is an apocalyptic number.

It is an amenable number.

70424021141 is a deficient number, since it is larger than the sum of its proper divisors (86836843).

70424021141 is an equidigital number, since it uses as much as digits as its factorization.

70424021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86836842.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 70424021141 its reverse (14112042407), we get a palindrome (84536063548).

The spelling of 70424021141 in words is "seventy billion, four hundred twenty-four million, twenty-one thousand, one hundred forty-one".

Divisors: 1 811 86836031 70424021141