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68958383270 = 2571019753661
BaseRepresentation
bin100000000111000111…
…1010110110010100110
320120222211100211100012
41000032033112302212
52112211321231040
651402401250222
74660565405120
oct1001617266246
9216884324305
1068958383270
1127277233aa7
1211446033972
13666c6c8aaa
1434a2554210
151bd8e5d865
hex100e3d6ca6

68958383270 has 32 divisors (see below), whose sum is σ = 143261787456. Its totient is φ = 23408784000.

The previous prime is 68958383213. The next prime is 68958383311. The reversal of 68958383270 is 7238385986.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4869761 + ... + 4883900.

It is an arithmetic number, because the mean of its divisors is an integer number (4476930858).

Almost surely, 268958383270 is an apocalyptic number.

68958383270 is an abundant number, since it is smaller than the sum of its proper divisors (74303404186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68958383270 is a wasteful number, since it uses less digits than its factorization.

68958383270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753776.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 68958383270 in words is "sixty-eight billion, nine hundred fifty-eight million, three hundred eighty-three thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 3535 7070 9753661 19507322 48768305 68275627 97536610 136551254 341378135 682756270 985119761 1970239522 4925598805 6895838327 9851197610 13791676654 34479191635 68958383270