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38299369202161 = 46400578254073
BaseRepresentation
bin10001011010101010001000…
…10010111110000111110001
312000121101100220001100010121
420231111010102332013301
520004444102003432121
6213242253132130241
711032016033551264
oct1055250422760761
9160541326040117
1038299369202161
11112267424a7861
124366811306981
13184a7cc272242
149659b1088cdb
154663c3d4a141
hex22d5444be1f1

38299369202161 has 4 divisors (see below), whose sum is σ = 38299382096292. Its totient is φ = 38299356308032.

The previous prime is 38299369202141. The next prime is 38299369202201. The reversal of 38299369202161 is 16120296399283.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32331335184225 + 5968034017936 = 5686065^2 + 2442956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38299369202161 is a prime.

It is a super-3 number, since 3×382993692021613 (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38299369202161.

It is not an unprimeable number, because it can be changed into a prime (38299369202141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513021 + ... + 8767093.

It is an arithmetic number, because the mean of its divisors is an integer number (9574845524073).

Almost surely, 238299369202161 is an apocalyptic number.

It is an amenable number.

38299369202161 is a deficient number, since it is larger than the sum of its proper divisors (12894131).

38299369202161 is an equidigital number, since it uses as much as digits as its factorization.

38299369202161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894130.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 38299369202161 in words is "thirty-eight trillion, two hundred ninety-nine billion, three hundred sixty-nine million, two hundred two thousand, one hundred sixty-one".

Divisors: 1 4640057 8254073 38299369202161