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8145446245 = 55371432923
BaseRepresentation
bin1111001011000000…
…11010010101100101
3210000200002112122021
413211200122111211
5113140213234440
63424133103141
7405565102456
oct74540322545
923020075567
108145446245
1134aa98a362
1216b3a87ab1
139ca7093a1
14573b2912d
1532a17a84a
hex1e581a565

8145446245 has 16 divisors (see below), whose sum is σ = 10099251072. Its totient is φ = 6303344320.

The previous prime is 8145446233. The next prime is 8145446333. The reversal of 8145446245 is 5426445418.

It is a happy number.

It is not a de Polignac number, because 8145446245 - 29 = 8145445733 is a prime.

It is a Duffinian number.

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, 197647 + ... + 235276.

It is an arithmetic number, because the mean of its divisors is an integer number (631203192).

Almost surely, 28145446245 is an apocalyptic number.

It is an amenable number.

8145446245 is a deficient number, since it is larger than the sum of its proper divisors (1953804827).

8145446245 is a wasteful number, since it uses less digits than its factorization.

8145446245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433052.

The product of its digits is 614400, while the sum is 43.

The square root of 8145446245 is about 90252.1259860398. The cubic root of 8145446245 is about 2012.0477999472.

The spelling of 8145446245 in words is "eight billion, one hundred forty-five million, four hundred forty-six thousand, two hundred forty-five".

Divisors: 1 5 53 71 265 355 3763 18815 432923 2164615 22944919 30737533 114724595 153687665 1629089249 8145446245