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9100920109201 = 18436949362529
BaseRepresentation
bin1000010001101111100100…
…0111000011100010010001
31012020001001202210120010121
42010123321013003202101
52143102141021443301
631204523250430241
71626343166355004
oct204337107034221
935201052716117
109100920109201
112999751160958
12102b99b892381
135102a01b6b3b
142366b601953b
1510bb085b63a1
hex846f91c3891

9100920109201 has 4 divisors (see below), whose sum is σ = 9100969656100. Its totient is φ = 9100870562304.

The previous prime is 9100920109187. The next prime is 9100920109261. The reversal of 9100920109201 is 1029010290019.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4546174494976 + 4554745614225 = 2132176^2 + 2134185^2 .

It is a cyclic number.

It is not a de Polignac number, because 9100920109201 - 215 = 9100920076433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9100920109261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24496896 + ... + 24865633.

It is an arithmetic number, because the mean of its divisors is an integer number (2275242414025).

Almost surely, 29100920109201 is an apocalyptic number.

It is an amenable number.

9100920109201 is a deficient number, since it is larger than the sum of its proper divisors (49546899).

9100920109201 is a wasteful number, since it uses less digits than its factorization.

9100920109201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49546898.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 9100920109201 in words is "nine trillion, one hundred billion, nine hundred twenty million, one hundred nine thousand, two hundred one".

Divisors: 1 184369 49362529 9100920109201