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145550620601 = 1979283342647
BaseRepresentation
bin1000011110001101111…
…1100011011110111001
3111220200200011121202222
42013203133203132321
54341041424324401
6150510502533425
713341610601441
oct2074337433671
9456620147688
10145550620601
11568005925a1
1224260737275
131095781a699
14708a8a1121
153bbd18ec1b
hex21e37e37b9

145550620601 has 16 divisors (see below), whose sum is σ = 155699251200. Its totient is φ = 135663145488.

The previous prime is 145550620561. The next prime is 145550620603. The reversal of 145550620601 is 106026055541.

It is a de Polignac number, because none of the positive numbers 2k-145550620601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145550620603) 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 15 ways as a sum of consecutive naturals, for example, 253460 + ... + 596106.

It is an arithmetic number, because the mean of its divisors is an integer number (9731203200).

Almost surely, 2145550620601 is an apocalyptic number.

It is an amenable number.

145550620601 is a deficient number, since it is larger than the sum of its proper divisors (10148630599).

145550620601 is a wasteful number, since it uses less digits than its factorization.

145550620601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343028.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 145550620601 in words is "one hundred forty-five billion, five hundred fifty million, six hundred twenty thousand, six hundred one".

Divisors: 1 19 79 283 1501 5377 22357 342647 424783 6510293 27069113 96969101 514313147 1842412919 7660558979 145550620601