Search a number
-
+
101210707 = 13174191093
BaseRepresentation
bin1100000100001…
…01101001010011
321001110000222201
412002011221103
5201402220312
614013144031
72336163643
oct602055123
9231400881
10101210707
1152149114
1229a8b017
1317c788c0
14d628523
158d43557
hex6085a53

101210707 has 16 divisors (see below), whose sum is σ = 115788960. Its totient is φ = 87639552.

The previous prime is 101210699. The next prime is 101210729. The reversal of 101210707 is 707012101.

It is not a de Polignac number, because 101210707 - 23 = 101210699 is a prime.

It is a super-2 number, since 2×1012107072 = 20487214422879698, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101210737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92053 + ... + 93145.

It is an arithmetic number, because the mean of its divisors is an integer number (7236810).

Almost surely, 2101210707 is an apocalyptic number.

101210707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

101210707 is a deficient number, since it is larger than the sum of its proper divisors (14578253).

101210707 is a wasteful number, since it uses less digits than its factorization.

101210707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 101210707 is about 10060.3532244151. The cubic root of 101210707 is about 466.0245755059.

Adding to 101210707 its reverse (707012101), we get a palindrome (808222808).

The spelling of 101210707 in words is "one hundred one million, two hundred ten thousand, seven hundred seven".

Divisors: 1 13 17 221 419 1093 5447 7123 14209 18581 92599 241553 457967 5953571 7785439 101210707