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20733050919 = 37987288139
BaseRepresentation
bin10011010011110010…
…010100000000100111
31222111220220010001210
4103103302110000213
5314430130112134
613305153122503
71332533011410
oct232362240047
958456803053
1020733050919
11887a2a3029
124027559433
131c55519889
1410097c4807
158152bb2e9
hex4d3c94027

20733050919 has 8 divisors (see below), whose sum is σ = 31593220480. Its totient is φ = 11847457656.

The previous prime is 20733050879. The next prime is 20733050959. The reversal of 20733050919 is 91905033702.

It is an interprime number because it is at equal distance from previous prime (20733050879) and next prime (20733050959).

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

It is not a de Polignac number, because 20733050919 - 29 = 20733050407 is a prime.

It is a super-2 number, since 2×207330509192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20733050959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493644049 + ... + 493644090.

It is an arithmetic number, because the mean of its divisors is an integer number (3949152560).

Almost surely, 220733050919 is an apocalyptic number.

20733050919 is a deficient number, since it is larger than the sum of its proper divisors (10860169561).

20733050919 is an equidigital number, since it uses as much as digits as its factorization.

20733050919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987288149.

The product of its (nonzero) digits is 51030, while the sum is 39.

The spelling of 20733050919 in words is "twenty billion, seven hundred thirty-three million, fifty thousand, nine hundred nineteen".

Divisors: 1 3 7 21 987288139 2961864417 6911016973 20733050919