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20299079910 = 2354116503317
BaseRepresentation
bin10010111001111010…
…110110000011100110
31221101200022002202110
4102321322312003212
5313033031024120
613154131421450
71316013221664
oct227172660346
957350262673
1020299079910
1186773351aa
123b26154886
131bb66429b5
14da7cd9c34
157dc1472e0
hex4b9eb60e6

20299079910 has 32 divisors (see below), whose sum is σ = 49906033632. Its totient is φ = 5281061120.

The previous prime is 20299079903. The next prime is 20299080001. The reversal of 20299079910 is 1997099202.

It is a self number, because there is not a number n which added to its sum of digits gives 20299079910.

It is a congruent number.

It is an unprimeable number.

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, 8250429 + ... + 8252888.

It is an arithmetic number, because the mean of its divisors is an integer number (1559563551).

Almost surely, 220299079910 is an apocalyptic number.

20299079910 is an abundant number, since it is smaller than the sum of its proper divisors (29606953722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20299079910 is a wasteful number, since it uses less digits than its factorization.

20299079910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503368.

The product of its (nonzero) digits is 183708, while the sum is 48.

The spelling of 20299079910 in words is "twenty billion, two hundred ninety-nine million, seventy-nine thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 16503317 33006634 49509951 82516585 99019902 165033170 247549755 495099510 676635997 1353271994 2029907991 3383179985 4059815982 6766359970 10149539955 20299079910