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7070200381 is a prime number
BaseRepresentation
bin1101001010110101…
…01011001000111101
3200020201211101121101
412211122223020331
5103434432403011
63125322533101
7340130466046
oct64532531075
920221741541
107070200381
112aa8a42212
121453967191
13888a14a2a
144b0dd18cd
152b5a842c1
hex1a56ab23d

7070200381 has 2 divisors, whose sum is σ = 7070200382. Its totient is φ = 7070200380.

The previous prime is 7070200331. The next prime is 7070200387. The reversal of 7070200381 is 1830020707.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7065915481 + 4284900 = 84059^2 + 2070^2 .

It is an emirp because it is prime and its reverse (1830020707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7070200381 - 213 = 7070192189 is a prime.

It is a super-2 number, since 2×70702003812 = 99975466854985090322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7070200387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535100190 + 3535100191.

It is an arithmetic number, because the mean of its divisors is an integer number (3535100191).

Almost surely, 27070200381 is an apocalyptic number.

It is an amenable number.

7070200381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7070200381 is an equidigital number, since it uses as much as digits as its factorization.

7070200381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7070200381 is about 84084.4835923965. The cubic root of 7070200381 is about 1919.3046148028.

The spelling of 7070200381 in words is "seven billion, seventy million, two hundred thousand, three hundred eighty-one".