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101216930 = 2510121693
BaseRepresentation
bin1100000100001…
…11001010100010
321001110100112012
412002013022202
5201402420210
614013232522
72336221043
oct602071242
9231410465
10101216930
1152152861
1229a92742
1317c7b699
14d62a8ca
158d45305
hex60872a2

101216930 has 8 divisors (see below), whose sum is σ = 182190492. Its totient is φ = 40486768.

The previous prime is 101216903. The next prime is 101216957. The reversal of 101216930 is 39612101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101216903) and next prime (101216957).

It can be written as a sum of positive squares in 2 ways, for example, as 87740689 + 13476241 = 9367^2 + 3671^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 101216896 and 101216905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060837 + ... + 5060856.

Almost surely, 2101216930 is an apocalyptic number.

101216930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101216930 is a deficient number, since it is larger than the sum of its proper divisors (80973562).

101216930 is a wasteful number, since it uses less digits than its factorization.

101216930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121700.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 101216930 is about 10060.6625030363. The cubic root of 101216930 is about 466.0341265754.

The spelling of 101216930 in words is "one hundred one million, two hundred sixteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 10121693 20243386 50608465 101216930