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57723845228 = 227157130110093
BaseRepresentation
bin110101110000100110…
…111111101001101100
312111222212121011101122
4311300212333221230
51421204301021403
642303514200112
74112310405650
oct656046775154
9174885534348
1057723845228
1122531673315
12b22b723038
13559c01374a
142b18470a60
15177c9e1838
hexd709bfa6c

57723845228 has 48 divisors (see below), whose sum is σ = 116283849024. Its totient is φ = 24559891200.

The previous prime is 57723845173. The next prime is 57723845239. The reversal of 57723845228 is 82254832775.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57723845228.

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, 5714150 + ... + 5724242.

It is an arithmetic number, because the mean of its divisors is an integer number (2422580188).

Almost surely, 257723845228 is an apocalyptic number.

It is an amenable number.

57723845228 is an abundant number, since it is smaller than the sum of its proper divisors (58560003796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57723845228 is a wasteful number, since it uses less digits than its factorization.

57723845228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562 (or 11560 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 53.

The spelling of 57723845228 in words is "fifty-seven billion, seven hundred twenty-three million, eight hundred forty-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 157 314 628 1099 1301 2198 2602 4396 5204 9107 10093 18214 20186 36428 40372 70651 141302 204257 282604 408514 817028 1429799 1584601 2859598 3169202 5719196 6338404 11092207 13130993 22184414 26261986 44368828 52523972 91916951 183833902 367667804 2061565901 4123131802 8246263604 14430961307 28861922614 57723845228