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146872187493 = 3401891218179
BaseRepresentation
bin1000100011001001000…
…0111011101001100101
3112001002202221011201220
42020302100323221211
54401243234444433
6151245552410553
713416425665233
oct2106220735145
9461082834656
10146872187493
1157319580339
122456b246a59
1310b08567025
1471741d7953
153c491e02b3
hex223243ba65

146872187493 has 8 divisors (see below), whose sum is σ = 195834616800. Its totient is φ = 97912274928.

The previous prime is 146872187479. The next prime is 146872187507. The reversal of 146872187493 is 394781278641.

It is an interprime number because it is at equal distance from previous prime (146872187479) and next prime (146872187507).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146872187493 - 24 = 146872187477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146872187453) 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 7 ways as a sum of consecutive naturals, for example, 488523 + ... + 729656.

It is an arithmetic number, because the mean of its divisors is an integer number (24479327100).

Almost surely, 2146872187493 is an apocalyptic number.

It is an amenable number.

146872187493 is a deficient number, since it is larger than the sum of its proper divisors (48962429307).

146872187493 is a wasteful number, since it uses less digits than its factorization.

146872187493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258371.

The product of its digits is 16257024, while the sum is 60.

The spelling of 146872187493 in words is "one hundred forty-six billion, eight hundred seventy-two million, one hundred eighty-seven thousand, four hundred ninety-three".

Divisors: 1 3 40189 120567 1218179 3654537 48957395831 146872187493