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68752828954 = 234376414477
BaseRepresentation
bin100000000000111111…
…1001110101000011010
320120110111120120211101
41000001333032220122
52111301211011304
651330135422014
74652521255315
oct1000177165032
9216414516741
1068752828954
11271811a7aa7
12113a922490a
136638c48614
14348312797c
151bc5da88a4
hex1001fcea1a

68752828954 has 4 divisors (see below), whose sum is σ = 103129243434. Its totient is φ = 34376414476.

The previous prime is 68752828951. The next prime is 68752828967. The reversal of 68752828954 is 45982825786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68106906729 + 645922225 = 260973^2 + 25415^2 .

It is not an unprimeable number, because it can be changed into a prime (68752828951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17188207237 + ... + 17188207240.

Almost surely, 268752828954 is an apocalyptic number.

68752828954 is a deficient number, since it is larger than the sum of its proper divisors (34376414480).

68752828954 is a wasteful number, since it uses less digits than its factorization.

68752828954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34376414479.

The product of its digits is 77414400, while the sum is 64.

The spelling of 68752828954 in words is "sixty-eight billion, seven hundred fifty-two million, eight hundred twenty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 34376414477 68752828954