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20250743861008 = 24311731811303871
BaseRepresentation
bin1001001101010111111100…
…11001001110111100010000
32122200221201011021102020201
410212223332121032330100
510123242010412023013
6111023021401144544
74160032211461423
oct446537631167420
978627634242221
1020250743861008
1164a8323a79051
12233089118b154
13b3b8384cb06b
145001d97839ba
15251b7d1383dd
hex126afe64ef10

20250743861008 has 80 divisors (see below), whose sum is σ = 40960690348032. Its totient is φ = 9688275648000.

The previous prime is 20250743861003. The next prime is 20250743861011. The reversal of 20250743861008 is 80016834705202.

It is not an unprimeable number, because it can be changed into a prime (20250743861003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14879313 + ... + 16183183.

Almost surely, 220250743861008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20250743861008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20480345174016).

20250743861008 is an abundant number, since it is smaller than the sum of its proper divisors (20709946487024).

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

20250743861008 is a wasteful number, since it uses less digits than its factorization.

20250743861008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304264 (or 1304258 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 20250743861008 in words is "twenty trillion, two hundred fifty billion, seven hundred forty-three million, eight hundred sixty-one thousand, eight".

Divisors: 1 2 4 8 16 31 62 124 173 181 248 346 362 496 692 724 1384 1448 2768 2896 5363 5611 10726 11222 21452 22444 31313 42904 44888 62626 85808 89776 125252 250504 501008 970703 1303871 1941406 2607742 3882812 5215484 7765624 10430968 15531248 20861936 40420001 80840002 161680004 225569683 236000651 323360008 451139366 472001302 646720016 902278732 944002604 1804557464 1888005208 3609114928 3776010416 6992660173 7316020181 13985320346 14632040362 27970640692 29264080724 40828112623 55941281384 58528161448 81656225246 111882562768 117056322896 163312450492 326624900984 653249801968 1265671491313 2531342982626 5062685965252 10125371930504 20250743861008