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212203022129 = 7343129711093
BaseRepresentation
bin1100010110100001001…
…0010010011100110001
3202021201210102102211222
43011220102102130301
511434042433202004
6241252411114425
721221405633000
oct3055022223461
9667653372758
10212203022129
1181aa408a35a
1235162442a15
131701a558727
14a3b0a6ac37
1557be9497be
hex3168492731

212203022129 has 32 divisors (see below), whose sum is σ = 253440211200. Its totient is φ = 177505364736.

The previous prime is 212203022063. The next prime is 212203022167. The reversal of 212203022129 is 921220302212.

It is not a de Polignac number, because 212203022129 - 224 = 212186244913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212203022098 and 212203022107.

It is not an unprimeable number, because it can be changed into a prime (212203022179) 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, 19123907 + ... + 19134999.

It is an arithmetic number, because the mean of its divisors is an integer number (7920006600).

Almost surely, 2212203022129 is an apocalyptic number.

It is an amenable number.

212203022129 is a deficient number, since it is larger than the sum of its proper divisors (41237189071).

212203022129 is a wasteful number, since it uses less digits than its factorization.

212203022129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12454 (or 12440 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 212203022129 in words is "two hundred twelve billion, two hundred three million, twenty-two thousand, one hundred twenty-nine".

Divisors: 1 7 43 49 301 343 1297 2107 9079 11093 14749 55771 63553 77651 390397 444871 476999 543557 2732779 3338993 3804899 14387621 19129453 23372951 100713347 163610657 618667703 704993429 4330673921 4934954003 30314717447 212203022129