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100935983689 = 400125227689
BaseRepresentation
bin101111000000001000…
…0001110001001001001
3100122112101212020111021
41132000100032021021
53123204102434224
6114211440232441
710202200463632
oct1360020161111
9318471766437
10100935983689
1139896805542
121768b30b721
1396976c4848
144c574a6889
15295b4c31e4
hex178040e249

100935983689 has 4 divisors (see below), whose sum is σ = 100961215380. Its totient is φ = 100910752000.

The previous prime is 100935983671. The next prime is 100935983717. The reversal of 100935983689 is 986389539001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986389539001 = 7951124058551.

It can be written as a sum of positive squares in 2 ways, for example, as 20623257664 + 80312726025 = 143608^2 + 283395^2 .

It is a cyclic number.

It is not a de Polignac number, because 100935983689 - 25 = 100935983657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100935983639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12609844 + ... + 12617845.

It is an arithmetic number, because the mean of its divisors is an integer number (25240303845).

Almost surely, 2100935983689 is an apocalyptic number.

It is an amenable number.

100935983689 is a deficient number, since it is larger than the sum of its proper divisors (25231691).

100935983689 is an equidigital number, since it uses as much as digits as its factorization.

100935983689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25231690.

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 100935983689 in words is "one hundred billion, nine hundred thirty-five million, nine hundred eighty-three thousand, six hundred eighty-nine".

Divisors: 1 4001 25227689 100935983689