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20294139302 = 289989112759
BaseRepresentation
bin10010111001100111…
…111111110110100110
31221101100000002111222
4102321213333312212
5313030244424202
613153433500342
71315623223613
oct227147776646
957340002458
1020294139302
118674570258
123b245716b2
131bb5602c68
14da73b150a
157db9bd4a2
hex4b99ffda6

20294139302 has 8 divisors (see below), whose sum is σ = 30441817200. Its totient is φ = 10146866904.

The previous prime is 20294139277. The next prime is 20294139319. The reversal of 20294139302 is 20393149202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123599 + ... + 236357.

It is an arithmetic number, because the mean of its divisors is an integer number (3805227150).

Almost surely, 220294139302 is an apocalyptic number.

20294139302 is a deficient number, since it is larger than the sum of its proper divisors (10147677898).

20294139302 is a wasteful number, since it uses less digits than its factorization.

20294139302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202750.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 20294139302 in words is "twenty billion, two hundred ninety-four million, one hundred thirty-nine thousand, three hundred two".

Divisors: 1 2 89989 112759 179978 225518 10147069651 20294139302