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3652215121 = 31382330817
BaseRepresentation
bin1101100110110000…
…0110000101010001
3100102112021202021201
43121230012011101
524434431340441
61402223351201
7156335213332
oct33154060521
910375252251
103652215121
111604642305
1285b152501
13462862849
142690a2289
15165977c31
hexd9b06151

3652215121 has 8 divisors (see below), whose sum is σ = 3771137024. Its totient is φ = 3533362560.

The previous prime is 3652215113. The next prime is 3652215157. The reversal of 3652215121 is 1215122563.

3652215121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3652215121 - 23 = 3652215113 is a prime.

It is a super-2 number, since 2×36522151212 = 26677350580122089282, which contains 22 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 3652215121.

It is not an unprimeable number, because it can be changed into a prime (3652215181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103105 + ... + 133921.

It is an arithmetic number, because the mean of its divisors is an integer number (471392128).

Almost surely, 23652215121 is an apocalyptic number.

3652215121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3652215121 is a deficient number, since it is larger than the sum of its proper divisors (118921903).

3652215121 is a wasteful number, since it uses less digits than its factorization.

3652215121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34671.

The product of its digits is 3600, while the sum is 28.

The square root of 3652215121 is about 60433.5595592383. The cubic root of 3652215121 is about 1539.9931299238.

Adding to 3652215121 its reverse (1215122563), we get a palindrome (4867337684).

The spelling of 3652215121 in words is "three billion, six hundred fifty-two million, two hundred fifteen thousand, one hundred twenty-one".

Divisors: 1 31 3823 30817 118513 955327 117813391 3652215121