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147806424978 = 2354145534943
BaseRepresentation
bin1000100110100111110…
…0110000111110010010
3112010111212212100122020
42021221330300332102
54410201421044403
6151522404352310
713451531611542
oct2115174607622
9463455770566
10147806424978
1157758967833
12247900a5696
1310c26c8a384
147222307322
153ca1231453
hex2269f30f92

147806424978 has 16 divisors (see below), whose sum is σ = 296159275776. Its totient is φ = 49177737360.

The previous prime is 147806424973. The next prime is 147806424989. The reversal of 147806424978 is 879424608741.

147806424978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (147806424973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22764226 + ... + 22770717.

It is an arithmetic number, because the mean of its divisors is an integer number (18509954736).

Almost surely, 2147806424978 is an apocalyptic number.

147806424978 is an abundant number, since it is smaller than the sum of its proper divisors (148352850798).

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

147806424978 is a wasteful number, since it uses less digits than its factorization.

147806424978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45535489.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 147806424978 in words is "one hundred forty-seven billion, eight hundred six million, four hundred twenty-four thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 541 1082 1623 3246 45534943 91069886 136604829 273209658 24634404163 49268808326 73903212489 147806424978