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154000068752 = 2419334979309
BaseRepresentation
bin1000111101101100011…
…1101001000010010000
3112201111112022001122002
42033123013221002100
510010343004200002
6154425135533132
714061156662165
oct2173307510220
9481445261562
10154000068752
115a347029aa2
1225a1a38a1a8
13116a31c624a
14764cb2206c
154014d6a002
hex23db1e9090

154000068752 has 20 divisors (see below), whose sum is σ = 298529551740. Its totient is φ = 76960184448.

The previous prime is 154000068737. The next prime is 154000068757. The reversal of 154000068752 is 257860000451.

It can be written as a sum of positive squares in 2 ways, for example, as 131504868496 + 22495200256 = 362636^2 + 149984^2 .

It is not an unprimeable number, because it can be changed into a prime (154000068757) 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, 2458727 + ... + 2520582.

It is an arithmetic number, because the mean of its divisors is an integer number (14926477587).

Almost surely, 2154000068752 is an apocalyptic number.

It is an amenable number.

154000068752 is a deficient number, since it is larger than the sum of its proper divisors (144529482988).

154000068752 is a wasteful number, since it uses less digits than its factorization.

154000068752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981250 (or 4981244 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 154000068752 in words is "one hundred fifty-four billion, sixty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 1933 3866 7732 15464 30928 4979309 9958618 19917236 39834472 79668944 9625004297 19250008594 38500017188 77000034376 154000068752