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20262683921141 = 79781749310997
BaseRepresentation
bin1001001101101110001100…
…00100111100101011110101
32122202002112021121022120002
410212313012010330223311
510123440434040434031
6111032314250121045
74160634124351364
oct446670604745365
978662467538502
1020262683921141
1165023a090aa42
122333063a20185
13b3c9bc1070bc
14500a0d43b7db
1525212b4b8ccb
hex126dc613caf5

20262683921141 has 8 divisors (see below), whose sum is σ = 20288421027000. Its totient is φ = 20236947602368.

The previous prime is 20262683921113. The next prime is 20262683921147. The reversal of 20262683921141 is 14112938626202.

It can be written as a sum of positive squares in 4 ways, for example, as 1909633791025 + 18353050130116 = 1381895^2 + 4284046^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20262683921141 is a prime.

It is a super-2 number, since 2×202626839211412 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20262683921147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64998455 + ... + 65309451.

It is an arithmetic number, because the mean of its divisors is an integer number (2536052628375).

Almost surely, 220262683921141 is an apocalyptic number.

It is an amenable number.

20262683921141 is a deficient number, since it is larger than the sum of its proper divisors (25737105859).

20262683921141 is an equidigital number, since it uses as much as digits as its factorization.

20262683921141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393543.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 20262683921141 in words is "twenty trillion, two hundred sixty-two billion, six hundred eighty-three million, nine hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 797 81749 310997 65153953 247864609 25423693753 20262683921141