Search a number
-
+
202040420244 = 223131564382793
BaseRepresentation
bin1011110000101010001…
…1000010011110010100
3201022111112200202212120
42330022203002132110
511302234321421434
6232452135215540
720411515144035
oct2741243023624
9638445622776
10202040420244
1178759606123
12331a6b175b0
131608ac79430
149ac909ca8c
1553c766d349
hex2f0a8c2794

202040420244 has 48 divisors (see below), whose sum is σ = 507729899712. Its totient is φ = 62161558272.

The previous prime is 202040420243. The next prime is 202040420269. The reversal of 202040420244 is 442024040202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202040420243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2398912 + ... + 2481704.

It is an arithmetic number, because the mean of its divisors is an integer number (10577706244).

Almost surely, 2202040420244 is an apocalyptic number.

It is an amenable number.

202040420244 is an abundant number, since it is smaller than the sum of its proper divisors (305689479468).

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

202040420244 is a wasteful number, since it uses less digits than its factorization.

202040420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98456 (or 98454 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 202040420244 its reverse (442024040202), we get a palindrome (644064460446).

The spelling of 202040420244 in words is "two hundred two billion, forty million, four hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 15643 31286 46929 62572 82793 93858 165586 187716 203359 248379 331172 406718 496758 610077 813436 993516 1076309 1220154 2152618 2440308 3228927 4305236 6457854 12915708 1295130899 2590261798 3885392697 5180523596 7770785394 15541570788 16836701687 33673403374 50510105061 67346806748 101020210122 202040420244