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68958743000 = 235379851249
BaseRepresentation
bin100000000111001000…
…0101110100111011000
320120222212001002210112
41000032100232213120
52112211414234000
651402413103452
74660601433650
oct1001620564730
9216885032715
1068958743000
112727745a2a4
1211446187b88
13666c7c3754
1434a2609360
151bd8ed0235
hex100e42e9d8

68958743000 has 64 divisors (see below), whose sum is σ = 184415400000. Its totient is φ = 23642995200.

The previous prime is 68958742987. The next prime is 68958743099. The reversal of 68958743000 is 34785986.

It is a super-2 number, since 2×689587430002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 68958743000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4918625 + ... + 4932624.

It is an arithmetic number, because the mean of its divisors is an integer number (2881490625).

Almost surely, 268958743000 is an apocalyptic number.

It is an amenable number.

68958743000 is an abundant number, since it is smaller than the sum of its proper divisors (115456657000).

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

68958743000 is a wasteful number, since it uses less digits than its factorization.

68958743000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851277 (or 9851263 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 68958743000 in words is "sixty-eight billion, nine hundred fifty-eight million, seven hundred forty-three thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 9851249 19702498 39404996 49256245 68958743 78809992 98512490 137917486 197024980 246281225 275834972 344793715 394049960 492562450 551669944 689587430 985124900 1231406125 1379174860 1723968575 1970249800 2462812250 2758349720 3447937150 4925624500 6895874300 8619842875 9851249000 13791748600 17239685750 34479371500 68958743000