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22131313202 = 2197368311681
BaseRepresentation
bin10100100111001000…
…010000101000110010
32010010100222012022202
4110213020100220302
5330311104010302
614100022503202
71412302026005
oct244710205062
963110865282
1022131313202
119427605199
124357894b02
13211910a3cb
1410dd3a353c
15897e1b202
hex527210a32

22131313202 has 32 divisors (see below), whose sum is σ = 35477766720. Its totient is φ = 10323624960.

The previous prime is 22131313187. The next prime is 22131313219. The reversal of 22131313202 is 20231313122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888802 + ... + 1900482.

It is an arithmetic number, because the mean of its divisors is an integer number (1108680210).

Almost surely, 222131313202 is an apocalyptic number.

22131313202 is a deficient number, since it is larger than the sum of its proper divisors (13346453518).

22131313202 is a wasteful number, since it uses less digits than its factorization.

22131313202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458.

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

Adding to 22131313202 its reverse (20231313122), we get a palindrome (42362626324).

The spelling of 22131313202 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred two".

Divisors: 1 2 19 38 73 146 683 1366 1387 2774 11681 12977 23362 25954 49859 99718 221939 443878 852713 947321 1705426 1894642 7978123 15956246 16201547 32403094 151584337 303168674 582402979 1164805958 11065656601 22131313202