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30854390994016 = 254726877634867
BaseRepresentation
bin1110000001111110110010…
…00000111101010001100000
311001020122120120002021111121
413000333121000331101200
513021004243043302031
6145342151143222024
76333104400122632
oct700773100752140
9131218516067447
1030854390994016
119916301386677
123563955147914
13142a730a87345
14789509294a52
153878d81bb011
hex1c0fd903d460

30854390994016 has 48 divisors (see below), whose sum is σ = 62060116156416. Its totient is φ = 15093336055936.

The previous prime is 30854390994001. The next prime is 30854390994029. The reversal of 30854390994016 is 61049909345803.

It is a super-2 number, since 2×308543909940162 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223815 + ... + 7858681.

It is an arithmetic number, because the mean of its divisors is an integer number (1292919086592).

Almost surely, 230854390994016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30854390994016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31030058078208).

30854390994016 is an abundant number, since it is smaller than the sum of its proper divisors (31205725162400).

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

30854390994016 is a wasteful number, since it uses less digits than its factorization.

30854390994016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637611 (or 7637603 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 30854390994016 in words is "thirty trillion, eight hundred fifty-four billion, three hundred ninety million, nine hundred ninety-four thousand, sixteen".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 2687 5374 10748 21496 42992 85984 126289 252578 505156 1010312 2020624 4041248 7634867 15269734 30539468 61078936 122157872 244315744 358838749 717677498 1435354996 2870709992 5741419984 11482839968 20514887629 41029775258 82059550516 164119101032 328238202064 656476404128 964199718563 1928399437126 3856798874252 7713597748504 15427195497008 30854390994016