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20472410465468 = 2213393700201259
BaseRepresentation
bin1001010011110100110101…
…10000001110010010111100
32200111010212111002122111222
410221322122300032102330
510140404444034343333
6111312521233532512
74212040262514443
oct451723260162274
980433774078458
1020472410465468
116583333aa1925
122367834a14138
13b5670357aa40
1450ac2721bd5a
152578037d2298
hex129e9ac0e4bc

20472410465468 has 12 divisors (see below), whose sum is σ = 38582619723480. Its totient is φ = 9448804830192.

The previous prime is 20472410465453. The next prime is 20472410465477. The reversal of 20472410465468 is 86456401427402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196850100578 + ... + 196850100681.

It is an arithmetic number, because the mean of its divisors is an integer number (3215218310290).

Almost surely, 220472410465468 is an apocalyptic number.

It is an amenable number.

20472410465468 is a deficient number, since it is larger than the sum of its proper divisors (18110209258012).

20472410465468 is a wasteful number, since it uses less digits than its factorization.

20472410465468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393700201276 (or 393700201274 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 53.

The spelling of 20472410465468 in words is "twenty trillion, four hundred seventy-two billion, four hundred ten million, four hundred sixty-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 26 52 393700201259 787400402518 1574800805036 5118102616367 10236205232734 20472410465468