Base | Representation |
---|---|
bin | 10001100111100110011010… |
… | …01100010010100111001100 |
3 | 12002011220011021211111200120 |
4 | 20303303031030102213030 |
5 | 20034240302133424124 |
6 | 214222434132424540 |
7 | 11106110421335601 |
oct | 1063631514224714 |
9 | 162156137744616 |
10 | 38744047561164 |
11 | 1138829287a5a0 |
12 | 4418a33178150 |
13 | 1880717c875aa |
14 | 97d316cb26a8 |
15 | 472c4ccead79 |
hex | 233ccd3129cc |
38744047561164 has 192 divisors, whose sum is σ = 110056809676800. Its totient is φ = 10472979628800.
The previous prime is 38744047561159. The next prime is 38744047561169. The reversal of 38744047561164 is 46116574044783.
It is an interprime number because it is at equal distance from previous prime (38744047561159) and next prime (38744047561169).
It is a super-2 number, since 2×387440475611642 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38744047561098 and 38744047561107.
It is not an unprimeable number, because it can be changed into a prime (38744047561169) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3857494 + ... + 9610845.
It is an arithmetic number, because the mean of its divisors is an integer number (573212550400).
Almost surely, 238744047561164 is an apocalyptic number.
It is an amenable number.
38744047561164 is an abundant number, since it is smaller than the sum of its proper divisors (71312762115636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38744047561164 is a wasteful number, since it uses less digits than its factorization.
38744047561164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13468444 (or 13468442 counting only the distinct ones).
The product of its (nonzero) digits is 54190080, while the sum is 60.
The spelling of 38744047561164 in words is "thirty-eight trillion, seven hundred forty-four billion, forty-seven million, five hundred sixty-one thousand, one hundred sixty-four".
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