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70858879461 = 3697200109
BaseRepresentation
bin100000111111110000…
…1001011000111100101
320202220021111001000000
41001333201023013211
52130104333120321
652315131411513
75055643352256
oct1017741130745
9222807431000
1070858879461
1128061a98a07
12118965b3b99
1368b3374456
143602b0ab2d
151c9ac18826
hex107f84b1e5

70858879461 has 14 divisors (see below), whose sum is σ = 106239720230. Its totient is φ = 47239252488.

The previous prime is 70858879457. The next prime is 70858879489. The reversal of 70858879461 is 16497885807.

70858879461 is a `hidden beast` number, since 7 + 0 + 8 + 588 + 7 + 9 + 46 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58029919236 + 12828960225 = 240894^2 + 113265^2 .

It is not a de Polignac number, because 70858879461 - 22 = 70858879457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70858879061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 48599326 + ... + 48600783.

It is an arithmetic number, because the mean of its divisors is an integer number (7588551445).

Almost surely, 270858879461 is an apocalyptic number.

It is an amenable number.

70858879461 is a deficient number, since it is larger than the sum of its proper divisors (35380840769).

70858879461 is an frugal number, since it uses more digits than its factorization.

70858879461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97200127 (or 97200112 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 70858879461 in words is "seventy billion, eight hundred fifty-eight million, eight hundred seventy-nine thousand, four hundred sixty-one".

Divisors: 1 3 9 27 81 243 729 97200109 291600327 874800981 2624402943 7873208829 23619626487 70858879461