Base | Representation |
---|---|
bin | 1101111000010000100110… |
… | …10110111111111100001110 |
3 | 11000001201101112100122110000 |
4 | 12330020103112333330032 |
5 | 13000021200233322200 |
6 | 144524505543225130 |
7 | 6300011014001010 |
oct | 674102326777416 |
9 | 130051345318400 |
10 | 30520362401550 |
11 | 97a7681a0318a |
12 | 350b0737481a6 |
13 | 140509a070828 |
14 | 77729ca701b0 |
15 | 37dd883b1300 |
hex | 1bc2135bff0e |
30520362401550 has 240 divisors, whose sum is σ = 96962502574080. Its totient is φ = 6972726680640.
The previous prime is 30520362401497. The next prime is 30520362401603. The reversal of 30520362401550 is 5510426302503.
30520362401550 is a `hidden beast` number, since 3 + 0 + 5 + 2 + 0 + 3 + 62 + 40 + 1 + 550 = 666.
It is an interprime number because it is at equal distance from previous prime (30520362401497) and next prime (30520362401603).
It is a super-2 number, since 2×305203624015502 (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 119 ways as a sum of consecutive naturals, for example, 58908531 + ... + 59424369.
It is an arithmetic number, because the mean of its divisors is an integer number (404010427392).
Almost surely, 230520362401550 is an apocalyptic number.
30520362401550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30520362401550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48481251287040).
30520362401550 is an abundant number, since it is smaller than the sum of its proper divisors (66442140172530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30520362401550 is a wasteful number, since it uses less digits than its factorization.
30520362401550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517957 (or 517943 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 36.
The spelling of 30520362401550 in words is "thirty trillion, five hundred twenty billion, three hundred sixty-two million, four hundred one thousand, five hundred fifty".
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