Search a number
-
+
7070701157 = 13543900089
BaseRepresentation
bin1101001010111001…
…00101011001100101
3200020202202211112122
412211130211121211
5103440044414112
63125341355325
7340134653042
oct64534453145
920222684478
107070701157
112aa9254483
121453b68b45
13888b5b950
144b10c21c9
152b5b32872
hex1a5725665

7070701157 has 4 divisors (see below), whose sum is σ = 7614601260. Its totient is φ = 6526801056.

The previous prime is 7070701139. The next prime is 7070701159. The reversal of 7070701157 is 7511070707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3638381761 + 3432319396 = 60319^2 + 58586^2 .

It is a cyclic number.

It is not a de Polignac number, because 7070701157 - 26 = 7070701093 is a prime.

It is a super-2 number, since 2×70707011572 = 99989629703202277298, which contains 22 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 (7070701159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271950032 + ... + 271950057.

It is an arithmetic number, because the mean of its divisors is an integer number (1903650315).

Almost surely, 27070701157 is an apocalyptic number.

It is an amenable number.

7070701157 is a deficient number, since it is larger than the sum of its proper divisors (543900103).

7070701157 is a wasteful number, since it uses less digits than its factorization.

7070701157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543900102.

The product of its (nonzero) digits is 12005, while the sum is 35.

The square root of 7070701157 is about 84087.4613542352. The cubic root of 7070701157 is about 1919.3499279455.

The spelling of 7070701157 in words is "seven billion, seventy million, seven hundred one thousand, one hundred fifty-seven".

Divisors: 1 13 543900089 7070701157