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145530652361 = 1923531142017
BaseRepresentation
bin1000011110001001001…
…1011000011011001001
3111220122021121010111112
42013202103120123021
54341021321333421
6150504510540105
713341246064133
oct2074223303311
9456567533445
10145530652361
11567a0294116
1224255b07635
1310953648863
147087d84053
153bbb54845b
hex21e24d86c9

145530652361 has 12 divisors (see below), whose sum is σ = 154028535732. Its totient is φ = 137480454144.

The previous prime is 145530652357. The next prime is 145530652409. The reversal of 145530652361 is 163256035541.

It can be written as a sum of positive squares in 2 ways, for example, as 94752536761 + 50778115600 = 307819^2 + 225340^2 .

It is not a de Polignac number, because 145530652361 - 22 = 145530652357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145530652321) 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 11 ways as a sum of consecutive naturals, for example, 443576 + ... + 698441.

It is an arithmetic number, because the mean of its divisors is an integer number (12835711311).

Almost surely, 2145530652361 is an apocalyptic number.

It is an amenable number.

145530652361 is a deficient number, since it is larger than the sum of its proper divisors (8497883371).

145530652361 is a wasteful number, since it uses less digits than its factorization.

145530652361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142408 (or 1142389 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 145530652361 in words is "one hundred forty-five billion, five hundred thirty million, six hundred fifty-two thousand, three hundred sixty-one".

Divisors: 1 19 353 361 6707 127433 1142017 21698323 403132001 412268137 7659508019 145530652361