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20849005950 = 2352306745319
BaseRepresentation
bin10011011010101100…
…101001010101111110
31222211000002020110120
4103122230221111332
5320144321142300
613324454315410
71335441424623
oct233254512576
958730066416
1020849005950
1189297a1833
12405a358b66
131c73558616
14101ad6a34a
158205733a0
hex4dab2957e

20849005950 has 48 divisors (see below), whose sum is σ = 51723534720. Its totient is φ = 5557799520.

The previous prime is 20849005913. The next prime is 20849005967. The reversal of 20849005950 is 5950094802.

20849005950 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×208490059503 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437391 + ... + 482709.

It is an arithmetic number, because the mean of its divisors is an integer number (1077573640).

Almost surely, 220849005950 is an apocalyptic number.

20849005950 is an abundant number, since it is smaller than the sum of its proper divisors (30874528770).

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

20849005950 is a wasteful number, since it uses less digits than its factorization.

20849005950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48401 (or 48396 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 20849005950 in words is "twenty billion, eight hundred forty-nine million, five thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 3067 6134 9201 15335 18402 30670 45319 46005 76675 90638 92010 135957 153350 226595 230025 271914 453190 460050 679785 1132975 1359570 2265950 3398925 6797850 138993373 277986746 416980119 694966865 833960238 1389933730 2084900595 3474834325 4169801190 6949668650 10424502975 20849005950