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20750126952 = 233922193763
BaseRepresentation
bin10011010100110011…
…011100111101101000
31222120010000122222110
4103110303130331220
5314444013030302
613311003122320
71333131111642
oct232463347550
958503018873
1020750126952
1188889a6555
1240312133a0
131c58c18139
14100bb8b892
15816a40b6c
hex4d4cdcf68

20750126952 has 32 divisors (see below), whose sum is σ = 51881496480. Its totient is φ = 6915885120.

The previous prime is 20750126921. The next prime is 20750126981. The reversal of 20750126952 is 25962105702.

It is a self number, because there is not a number n which added to its sum of digits gives 20750126952.

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 7 ways as a sum of consecutive naturals, for example, 174423 + ... + 268185.

It is an arithmetic number, because the mean of its divisors is an integer number (1621296765).

Almost surely, 220750126952 is an apocalyptic number.

It is an amenable number.

20750126952 is an abundant number, since it is smaller than the sum of its proper divisors (31131369528).

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

20750126952 is a wasteful number, since it uses less digits than its factorization.

20750126952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102993 (or 102989 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 20750126952 in words is "twenty billion, seven hundred fifty million, one hundred twenty-six thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 9221 18442 27663 36884 55326 73768 93763 110652 187526 221304 281289 375052 562578 750104 1125156 2250312 864588623 1729177246 2593765869 3458354492 5187531738 6916708984 10375063476 20750126952