Search a number
-
+
20370573907 = 291993529817
BaseRepresentation
bin10010111110001011…
…100100101001010011
31221120122211101002021
4102332023210221103
5313204331331112
613205204032311
71320542010205
oct227613445123
957518741067
1020370573907
118703726752
123b46092697
131bc83b5538
14db35ca775
157e356a907
hex4be2e4a53

20370573907 has 8 divisors (see below), whose sum is σ = 21178908000. Its totient is φ = 19569299904.

The previous prime is 20370573893. The next prime is 20370573973. The reversal of 20370573907 is 70937507302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20370573907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20370574907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759138 + ... + 1770679.

It is an arithmetic number, because the mean of its divisors is an integer number (2647363500).

Almost surely, 220370573907 is an apocalyptic number.

20370573907 is a deficient number, since it is larger than the sum of its proper divisors (808334093).

20370573907 is a wasteful number, since it uses less digits than its factorization.

20370573907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530045.

The product of its (nonzero) digits is 277830, while the sum is 43.

The spelling of 20370573907 in words is "twenty billion, three hundred seventy million, five hundred seventy-three thousand, nine hundred seven".

Divisors: 1 29 199 5771 3529817 102364693 702433583 20370573907