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389500050501 = 3243277783389
BaseRepresentation
bin1011010101100000000…
…00110001110001000101
31101020100221001200002100
411222300000301301011
522340144003104001
6454533413502313
740066113542232
oct5526000616105
91336327050070
10389500050501
11140205695991
12635a2941999
132a9641b5a83
1414bcd89c789
15a1e9bd2586
hex5ab0031c45

389500050501 has 6 divisors (see below), whose sum is σ = 562611184070. Its totient is φ = 259666700328.

The previous prime is 389500050481. The next prime is 389500050503. The reversal of 389500050501 is 105050005983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 363095425476 + 26404625025 = 602574^2 + 162495^2 .

It is not a de Polignac number, because 389500050501 - 233 = 380910115909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389500050503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21638891686 + ... + 21638891703.

Almost surely, 2389500050501 is an apocalyptic number.

It is an amenable number.

389500050501 is a deficient number, since it is larger than the sum of its proper divisors (173111133569).

389500050501 is a wasteful number, since it uses less digits than its factorization.

389500050501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43277783395 (or 43277783392 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 389500050501 in words is "three hundred eighty-nine billion, five hundred million, fifty thousand, five hundred one".

Divisors: 1 3 9 43277783389 129833350167 389500050501