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21340431300962 = 218670957148909
BaseRepresentation
bin1001101101000101101001…
…10100111011100101100010
32210120010101100102212002002
410312202310310323211202
510244120200403112322
6113215354144524002
74331536532053304
oct466426464734542
983503340385062
1021340431300962
116888476142044
122487b03320602
13bba5179111a7
1453ac4d3a5974
152701a858ac92
hex1368b4d3b962

21340431300962 has 8 divisors (see below), whose sum is σ = 32010818958300. Its totient is φ = 10670158314864.

The previous prime is 21340431300961. The next prime is 21340431301043. The reversal of 21340431300962 is 26900313404312.

It can be written as a sum of positive squares in 2 ways, for example, as 20837663799241 + 502767501721 = 4564829^2 + 709061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213404313009622 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21340431300961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28201037 + ... + 28947872.

Almost surely, 221340431300962 is an apocalyptic number.

21340431300962 is a deficient number, since it is larger than the sum of its proper divisors (10670387657338).

21340431300962 is a wasteful number, since it uses less digits than its factorization.

21340431300962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57335620.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 21340431300962 in words is "twenty-one trillion, three hundred forty billion, four hundred thirty-one million, three hundred thousand, nine hundred sixty-two".

Divisors: 1 2 186709 373418 57148909 114297818 10670215650481 21340431300962