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20153104005 = 354643289369
BaseRepresentation
bin10010110001001101…
…111111011010000101
31221000111121202110110
4102301031333122011
5312233143312010
613131434543233
71312261362156
oct226115773205
957014552413
1020153104005
1186019a1361
123aa5297b19
131b92322618
14d9277b92d
157ce410120
hex4b137f685

20153104005 has 16 divisors (see below), whose sum is σ = 32252022720. Its totient is φ = 10745970048.

The previous prime is 20153104003. The next prime is 20153104007. The reversal of 20153104005 is 50040135102.

It is an interprime number because it is at equal distance from previous prime (20153104003) and next prime (20153104007).

It is not a de Polignac number, because 20153104005 - 21 = 20153104003 is a prime.

It is a super-2 number, since 2×201531040052 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153104003) 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 15 ways as a sum of consecutive naturals, for example, 75040 + ... + 214329.

It is an arithmetic number, because the mean of its divisors is an integer number (2015751420).

Almost surely, 220153104005 is an apocalyptic number.

It is an amenable number.

20153104005 is a deficient number, since it is larger than the sum of its proper divisors (12098918715).

20153104005 is a wasteful number, since it uses less digits than its factorization.

20153104005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294020.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 20153104005 its reverse (50040135102), we get a palindrome (70193239107).

The spelling of 20153104005 in words is "twenty billion, one hundred fifty-three million, one hundred four thousand, five".

Divisors: 1 3 5 15 4643 13929 23215 69645 289369 868107 1446845 4340535 1343540267 4030620801 6717701335 20153104005