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9145764028 = 2247109446309
BaseRepresentation
bin10001000010010000…
…10100100010111100
3212121101100221200001
420201020110202330
5122212303422103
64111305244044
7442432466032
oct104110244274
925541327601
109145764028
1139735aa975
121932a93624
13b29a280bb
1462a91a552
15387dc101d
hex2212148bc

9145764028 has 24 divisors (see below), whose sum is σ = 16495617600. Its totient is φ = 4434516288.

The previous prime is 9145764013. The next prime is 9145764029. The reversal of 9145764028 is 8204675419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145764029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202663 + ... + 243646.

It is an arithmetic number, because the mean of its divisors is an integer number (687317400).

Almost surely, 29145764028 is an apocalyptic number.

It is an amenable number.

9145764028 is a deficient number, since it is larger than the sum of its proper divisors (7349853572).

9145764028 is a wasteful number, since it uses less digits than its factorization.

9145764028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446469 (or 446467 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 9145764028 is about 95633.4880049870. The cubic root of 9145764028 is about 2091.2534187628.

The spelling of 9145764028 in words is "nine billion, one hundred forty-five million, seven hundred sixty-four thousand, twenty-eight".

Divisors: 1 2 4 47 94 109 188 218 436 5123 10246 20492 446309 892618 1785236 20976523 41953046 48647681 83906092 97295362 194590724 2286441007 4572882014 9145764028