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21212448482067 = 321315291962701
BaseRepresentation
bin1001101001010111010000…
…11101001110001100010011
32210002220001000012000201120
410310223220131032030103
510240021043302411232
6113040510404533323
74316356151046363
oct464535035161423
983086030160646
1021212448482067
116839170184a37
1224671460b1243
13bab42c91b05b
1453498bb889a3
1526bbb788092c
hex134ae874e313

21212448482067 has 16 divisors (see below), whose sum is σ = 28297522955520. Its totient is φ = 14134503636000.

The previous prime is 21212448482053. The next prime is 21212448482081. The reversal of 21212448482067 is 76028484421212.

It is an interprime number because it is at equal distance from previous prime (21212448482053) and next prime (21212448482081).

It is not a de Polignac number, because 21212448482067 - 26 = 21212448482003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21212448482047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338279817 + ... + 338342517.

It is an arithmetic number, because the mean of its divisors is an integer number (1768595184720).

Almost surely, 221212448482067 is an apocalyptic number.

21212448482067 is a deficient number, since it is larger than the sum of its proper divisors (7085074473453).

21212448482067 is a wasteful number, since it uses less digits than its factorization.

21212448482067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117754.

The product of its (nonzero) digits is 2752512, while the sum is 51.

The spelling of 21212448482067 in words is "twenty-one trillion, two hundred twelve billion, four hundred forty-eight million, four hundred eighty-two thousand, sixty-seven".

Divisors: 1 3 2131 6393 52919 62701 158757 188103 112770389 133615831 338311167 400847493 3318074219 9954222657 7070816160689 21212448482067