Search a number
-
+
20007303907008 = 26311176720394079
BaseRepresentation
bin1001000110010010100000…
…01111100000011011000000
32121211200100102001102111010
410203021100033200123000
510110244424300011013
6110315121210120520
74133323433142255
oct443112017403300
977750312042433
1020007303907008
116414060514520
1222b1671720140
13b218b0554bc2
144d25042c742c
1524a6811d17c3
hex1232503e06c0

20007303907008 has 448 divisors, whose sum is σ = 62103590092800. Its totient is φ = 5616881909760.

The previous prime is 20007303907001. The next prime is 20007303907009. The reversal of 20007303907008 is 80070930370002.

It is not an unprimeable number, because it can be changed into a prime (20007303907001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4904951113 + ... + 4904955191.

Almost surely, 220007303907008 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 20007303907008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31051795046400).

20007303907008 is an abundant number, since it is smaller than the sum of its proper divisors (42096286185792).

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

20007303907008 is a wasteful number, since it uses less digits than its factorization.

20007303907008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228 (or 6218 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 20007303907008 in words is "twenty trillion, seven billion, three hundred three million, nine hundred seven thousand, eight".