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145550667215 = 51011031279553
BaseRepresentation
bin1000011110001101111…
…1101110110111001111
3111220200200020222201102
42013203133232313033
54341041432322330
6150510503533315
713341611154362
oct2074337566717
9456620228642
10145550667215
1156800614618
122426075a23b
1310957835975
14708a8b40d9
153bbd19d945
hex21e37eedcf

145550667215 has 16 divisors (see below), whose sum is σ = 176561833536. Its totient is φ = 115175424000.

The previous prime is 145550667179. The next prime is 145550667239. The reversal of 145550667215 is 512766055541.

It is not a de Polignac number, because 145550667215 - 218 = 145550405071 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 145550667215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380879 + ... + 660431.

It is an arithmetic number, because the mean of its divisors is an integer number (11035114596).

Almost surely, 2145550667215 is an apocalyptic number.

145550667215 is a deficient number, since it is larger than the sum of its proper divisors (31011166321).

145550667215 is a wasteful number, since it uses less digits than its factorization.

145550667215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280690.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 145550667215 in words is "one hundred forty-five billion, five hundred fifty million, six hundred sixty-seven thousand, two hundred fifteen".

Divisors: 1 5 101 505 1031 5155 104131 279553 520655 1397765 28234853 141174265 288219143 1441095715 29110133443 145550667215