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101232001 = 1361127657
BaseRepresentation
bin1100000100010…
…10110110000001
321001111010012101
412002022312001
5201403411001
614013430401
72336313013
oct602126601
9231433171
10101232001
1152163112
1229a9b401
1317c854c0
14d6321b3
158d49a01
hex608ad81

101232001 has 8 divisors (see below), whose sum is σ = 110807144. Its totient is φ = 91912320.

The previous prime is 101231983. The next prime is 101232017. The reversal of 101232001 is 100232101.

It can be written as a sum of positive squares in 4 ways, for example, as 20250000 + 80982001 = 4500^2 + 8999^2 .

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 101232001 - 215 = 101199233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101232041) 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, 63036 + ... + 64621.

It is an arithmetic number, because the mean of its divisors is an integer number (13850893).

Almost surely, 2101232001 is an apocalyptic number.

It is an amenable number.

101232001 is a deficient number, since it is larger than the sum of its proper divisors (9575143).

101232001 is a wasteful number, since it uses less digits than its factorization.

101232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127731.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101232001 is about 10061.4114814970. The cubic root of 101232001 is about 466.0572559463.

Adding to 101232001 its reverse (100232101), we get a palindrome (201464102).

The spelling of 101232001 in words is "one hundred one million, two hundred thirty-two thousand, one".

Divisors: 1 13 61 793 127657 1659541 7787077 101232001