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38744047561164 = 2231119313713468339
BaseRepresentation
bin10001100111100110011010…
…01100010010100111001100
312002011220011021211111200120
420303303031030102213030
520034240302133424124
6214222434132424540
711106110421335601
oct1063631514224714
9162156137744616
1038744047561164
111138829287a5a0
124418a33178150
131880717c875aa
1497d316cb26a8
15472c4ccead79
hex233ccd3129cc

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".