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20031012113322 = 2372193585931277
BaseRepresentation
bin1001000110111110101010…
…10111001000101110101010
32121220221112200020002111110
410203133111113020232222
510111142003100111242
6110334041523211150
74135123103442300
oct443372527105652
977827480202443
1020031012113322
116423117148861
1222b6189516ab6
13b23bbb267752
144d3712c88270
1524b0bc78539c
hex1237d55c8baa

20031012113322 has 48 divisors (see below), whose sum is σ = 49055539883040. Its totient is φ = 5421928089312.

The previous prime is 20031012113317. The next prime is 20031012113323. The reversal of 20031012113322 is 22331121013002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20031012113323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792960053 + ... + 1792971224.

It is an arithmetic number, because the mean of its divisors is an integer number (1021990414230).

Almost surely, 220031012113322 is an apocalyptic number.

20031012113322 is an abundant number, since it is smaller than the sum of its proper divisors (29024527769718).

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

20031012113322 is a wasteful number, since it uses less digits than its factorization.

20031012113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585931315 (or 3585931308 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20031012113322 its reverse (22331121013002), we get a palindrome (42362133126324).

The spelling of 20031012113322 in words is "twenty trillion, thirty-one billion, twelve million, one hundred thirteen thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 399 798 931 1862 2793 5586 3585931277 7171862554 10757793831 21515587662 25101518939 50203037878 68132694263 75304556817 136265388526 150609113634 175710632573 204398082789 351421265146 408796165578 476928859841 527131897719 953857719682 1054263795438 1430786579523 2861573159046 3338502018887 6677004037774 10015506056661 20031012113322