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385228108616 = 231322811013993
BaseRepresentation
bin1011001101100010110…
…00100111001101001000
31100211100012122112111112
411212301120213031020
522302421343433431
6452545451145452
736555211616201
oct5466130471510
91324305575445
10385228108616
111394132517aa
12627b0145288
132a43313b700
141490639a5a8
15a049b41c2b
hex59b1627348

385228108616 has 48 divisors (see below), whose sum is σ = 784922615460. Its totient is φ = 177164682240.

The previous prime is 385228108613. The next prime is 385228108619. The reversal of 385228108616 is 616801822583.

It is an interprime number because it is at equal distance from previous prime (385228108613) and next prime (385228108619).

It can be written as a sum of positive squares in 6 ways, for example, as 161640986116 + 223587122500 = 402046^2 + 472850^2 .

It is a super-3 number, since 3×3852281086163 (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (385228108613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127085 + ... + 886908.

Almost surely, 2385228108616 is an apocalyptic number.

It is an amenable number.

385228108616 is an abundant number, since it is smaller than the sum of its proper divisors (399694506844).

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

385228108616 is a wasteful number, since it uses less digits than its factorization.

385228108616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014306 (or 1014289 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 385228108616 in words is "three hundred eighty-five billion, two hundred twenty-eight million, one hundred eight thousand, six hundred sixteen".

Divisors: 1 2 4 8 13 26 52 104 169 281 338 562 676 1124 1352 2248 3653 7306 14612 29224 47489 94978 189956 379912 1013993 2027986 4055972 8111944 13181909 26363818 52727636 105455272 171364817 284932033 342729634 569864066 685459268 1139728132 1370918536 2279456264 3704116429 7408232858 14816465716 29632931432 48153513577 96307027154 192614054308 385228108616