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20257164500753 = 1779733144714221
BaseRepresentation
bin1001001101100011111010…
…00110000001111100010001
32122201120021121211201011202
410212301331012001330101
510123343133103011003
6111030002441520545
74160350264143635
oct446617506017421
978646247751152
1020257164500753
116500019291794
122331b834a3155
13b3c31c783a8b
145006483aadc5
15251e06b60088
hex126c7d181f11

20257164500753 has 32 divisors (see below), whose sum is σ = 21766459253760. Its totient is φ = 18784236856320.

The previous prime is 20257164500747. The next prime is 20257164500777. The reversal of 20257164500753 is 35700546175202.

It is not a de Polignac number, because 20257164500753 - 24 = 20257164500737 is a prime.

It is a super-3 number, since 3×202571645007533 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20257164500698 and 20257164500707.

It is not an unprimeable number, because it can be changed into a prime (20257164500953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424447183 + ... + 1424461403.

It is an arithmetic number, because the mean of its divisors is an integer number (680201851680).

Almost surely, 220257164500753 is an apocalyptic number.

It is an amenable number.

20257164500753 is a deficient number, since it is larger than the sum of its proper divisors (1509294753007).

20257164500753 is a wasteful number, since it uses less digits than its factorization.

20257164500753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16497.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 20257164500753 in words is "twenty trillion, two hundred fifty-seven billion, one hundred sixty-four million, five hundred thousand, seven hundred fifty-three".

Divisors: 1 17 79 733 1343 1447 12461 14221 24599 57907 114313 241757 984419 1060651 1123459 1943321 10423993 18031067 19098803 20577787 83791429 177207881 349822379 823495447 1424454293 1625645173 13999422599 15083517871 27635967941 256419803807 1191597911809 20257164500753