Search a number
-
+
131202122330 = 2540573233969
BaseRepresentation
bin111101000110001000…
…0011000001001011010
3110112122200221101110002
41322030100120021122
54122200220403310
6140135020453002
712323211432116
oct1721420301132
9415580841402
10131202122330
11507081a5464
12215173aa162
13c4abc60016
1464c8dcc746
15362d66cda5
hex1e8c41825a

131202122330 has 16 divisors (see below), whose sum is σ = 236222104680. Its totient is φ = 52467896832.

The previous prime is 131202122329. The next prime is 131202122333. The reversal of 131202122330 is 33221202131.

It can be written as a sum of positive squares in 4 ways, for example, as 58841660329 + 72360462001 = 242573^2 + 268999^2 .

It is not an unprimeable number, because it can be changed into a prime (131202122333) 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, 1576415 + ... + 1657554.

Almost surely, 2131202122330 is an apocalyptic number.

131202122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131202122330 is a deficient number, since it is larger than the sum of its proper divisors (105019982350).

131202122330 is a wasteful number, since it uses less digits than its factorization.

131202122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238033.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131202122330 its reverse (33221202131), we get a palindrome (164423324461).

The spelling of 131202122330 in words is "one hundred thirty-one billion, two hundred two million, one hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 4057 8114 20285 40570 3233969 6467938 16169845 32339690 13120212233 26240424466 65601061165 131202122330