Search a number
-
+
20203351870265 = 5238318111694157
BaseRepresentation
bin1001001011111111101011…
…00111001000101100111001
32122112102101022212211202022
410211333311213020230321
510122002431034322030
6110545143002244225
74153433615265254
oct445776547105471
978472338784668
1020203351870265
11648a214480a53
1223236657b6675
13b37224b769a5
144dbbc157c09b
15250807706de5
hex125ff59c8b39

20203351870265 has 32 divisors (see below), whose sum is σ = 25744361400576. Its totient is φ = 15189305345280.

The previous prime is 20203351870237. The next prime is 20203351870267. The reversal of 20203351870265 is 56207815330202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-20203351870265 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20203351870267) 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, 4119434 + ... + 7574723.

It is an arithmetic number, because the mean of its divisors is an integer number (804511293768).

Almost surely, 220203351870265 is an apocalyptic number.

It is an amenable number.

20203351870265 is a deficient number, since it is larger than the sum of its proper divisors (5541009530311).

20203351870265 is a wasteful number, since it uses less digits than its factorization.

20203351870265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694449.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 20203351870265 in words is "twenty trillion, two hundred three billion, three hundred fifty-one million, eight hundred seventy thousand, two hundred sixty-five".

Divisors: 1 5 23 83 115 181 415 905 1909 4163 9545 15023 20815 75115 345529 1727645 11694157 58470785 268965611 970615031 1344828055 2116642417 4853075155 10583212085 22324145713 48682775591 111620728565 175681320611 243413877955 878406603055 4040670374053 20203351870265