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70655213239 = 1323367643883
BaseRepresentation
bin100000111001101100…
…0001111111010110111
320202101002020201110121
41001303120033322313
52124200213310424
652243014232411
75050621255222
oct1016330177267
9222332221417
1070655213239
1127a68031516
121183a355707
1368801054b0
1435c3a525b9
151c87dd7ee4
hex107360feb7

70655213239 has 16 divisors (see below), whose sum is σ = 79614968832. Its totient is φ = 62214454368.

The previous prime is 70655213231. The next prime is 70655213249. The reversal of 70655213239 is 93231255607.

It is a cyclic number.

It is not a de Polignac number, because 70655213239 - 23 = 70655213231 is a prime.

It is a super-2 number, since 2×706552132392 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70655213195 and 70655213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70655213231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212209 + ... + 431674.

It is an arithmetic number, because the mean of its divisors is an integer number (4975935552).

Almost surely, 270655213239 is an apocalyptic number.

70655213239 is a deficient number, since it is larger than the sum of its proper divisors (8959755593).

70655213239 is a wasteful number, since it uses less digits than its factorization.

70655213239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644286.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 70655213239 in words is "seventy billion, six hundred fifty-five million, two hundred thirteen thousand, two hundred thirty-nine".

Divisors: 1 13 23 299 367 4771 8441 109733 643883 8370479 14809309 192521017 236305061 3071965793 5435016403 70655213239