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30220053032155 = 575142291679077
BaseRepresentation
bin1101101111100001001111…
…00001101010110011011011
310222000000020110022000200011
412313300213201222303123
512430111132034012110
6144134522315222351
76236220041323630
oct667604741526333
9128000213260604
1030220053032155
1196a12861130a8
123480a227479b7
1313b297b11360c
147669307da187
1537615d99248a
hex1b7c2786acdb

30220053032155 has 16 divisors (see below), whose sum is σ = 41444749437120. Its totient is φ = 20722269439872.

The previous prime is 30220053032123. The next prime is 30220053032201. The reversal of 30220053032155 is 55123035002203.

It is not a de Polignac number, because 30220053032155 - 25 = 30220053032123 is a prime.

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, 17158477 + ... + 18837553.

It is an arithmetic number, because the mean of its divisors is an integer number (2590296839820).

Almost surely, 230220053032155 is an apocalyptic number.

30220053032155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30220053032155 is a deficient number, since it is larger than the sum of its proper divisors (11224696404965).

30220053032155 is a wasteful number, since it uses less digits than its factorization.

30220053032155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193318.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 30220053032155 its reverse (55123035002203), we get a palindrome (85343088034358).

The spelling of 30220053032155 in words is "thirty trillion, two hundred twenty billion, fifty-three million, thirty-two thousand, one hundred fifty-five".

Divisors: 1 5 7 35 514229 1679077 2571145 3599603 8395385 11753539 17998015 58767695 863430086633 4317150433165 6044010606431 30220053032155