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145208652650 = 25217170833709
BaseRepresentation
bin1000011100111100011…
…1000011001101101010
3111212210211200211221022
42013033013003031222
54334341403341100
6150412525212442
713330256116355
oct2071707031552
9455724624838
10145208652650
1156645553a56
1224186101122
1310901a17399
1470572c529c
153b9d140e85
hex21cf1c336a

145208652650 has 24 divisors (see below), whose sum is σ = 285975630540. Its totient is φ = 54666786560.

The previous prime is 145208652649. The next prime is 145208652653. The reversal of 145208652650 is 56256802541.

It is a happy number.

145208652650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 100331196001 + 44877456649 = 316751^2 + 211843^2 .

It is not an unprimeable number, because it can be changed into a prime (145208652653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85416005 + ... + 85417704.

Almost surely, 2145208652650 is an apocalyptic number.

145208652650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145208652650 is a deficient number, since it is larger than the sum of its proper divisors (140766977890).

145208652650 is a wasteful number, since it uses less digits than its factorization.

145208652650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170833738 (or 170833733 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 145208652650 in words is "one hundred forty-five billion, two hundred eight million, six hundred fifty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 170833709 341667418 854168545 1708337090 2904173053 4270842725 5808346106 8541685450 14520865265 29041730530 72604326325 145208652650