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145874873579 = 1011678648537
BaseRepresentation
bin1000011111011011010…
…0011110110011101011
3111221112021022101020112
42013312310132303223
54342222431423304
6151003004444535
713352625652421
oct2076664366353
9457467271215
10145874873579
1156957621666
122433124974b
13109a9a5a656
1470bb989111
153bdb88eb6e
hex21f6d1eceb

145874873579 has 8 divisors (see below), whose sum is σ = 148201347168. Its totient is φ = 143565697600.

The previous prime is 145874873549. The next prime is 145874873609. The reversal of 145874873579 is 975378478541.

It is an interprime number because it is at equal distance from previous prime (145874873549) and next prime (145874873609).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145874873579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145874873539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307402 + ... + 4341135.

It is an arithmetic number, because the mean of its divisors is an integer number (18525168396).

Almost surely, 2145874873579 is an apocalyptic number.

145874873579 is a deficient number, since it is larger than the sum of its proper divisors (2326473589).

145874873579 is a wasteful number, since it uses less digits than its factorization.

145874873579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648805.

The product of its digits is 237081600, while the sum is 68.

The spelling of 145874873579 in words is "one hundred forty-five billion, eight hundred seventy-four million, eight hundred seventy-three thousand, five hundred seventy-nine".

Divisors: 1 101 167 16867 8648537 873502237 1444305679 145874873579