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145244133121611 = 3193791724982861
BaseRepresentation
bin100001000001100101001000…
…111101011101111001001011
3201001021012111100220012222110
4201001211020331131321023
5123014134441034342421
61232524122243353403
742410354006244246
oct4101451075357113
9631235440805873
10145244133121611
1142308766705427
1214359352382863
136307603237374
1427c1bd420a25d
1511bd1ee937a76
hex841948f5de4b

145244133121611 has 8 divisors (see below), whose sum is σ = 193658951845264. Its totient is φ = 96829368239520.

The previous prime is 145244133121547. The next prime is 145244133121687. The reversal of 145244133121611 is 116121331442541.

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

It is not a de Polignac number, because 145244133121611 - 26 = 145244133121547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145244133121611.

It is not an unprimeable number, because it can be changed into a prime (145244133321611) 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, 6677680 + ... + 18305181.

It is an arithmetic number, because the mean of its divisors is an integer number (24207368980658).

Almost surely, 2145244133121611 is an apocalyptic number.

145244133121611 is a deficient number, since it is larger than the sum of its proper divisors (48414818723653).

145244133121611 is a wasteful number, since it uses less digits than its factorization.

145244133121611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26920781.

The product of its digits is 69120, while the sum is 39.

The spelling of 145244133121611 in words is "one hundred forty-five trillion, two hundred forty-four billion, one hundred thirty-three million, one hundred twenty-one thousand, six hundred eleven".

Divisors: 1 3 1937917 5813751 24982861 74948583 48414711040537 145244133121611