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21283462033071 = 372921205110811
BaseRepresentation
bin1001101011011011100010…
…01100011010111010101111
32210100200100001201012012020
410311231301030122322233
510242202012240024241
6113133253143441223
74324452013216260
oct465556114327257
983320301635166
1021283462033071
1168662a1505967
122478a64456213
13bb5039038814
145381a7238967
1526d971e4cb66
hex135b7131aeaf

21283462033071 has 24 divisors (see below), whose sum is σ = 33588848552064. Its totient is φ = 11742599732640.

The previous prime is 21283462033051. The next prime is 21283462033087. The reversal of 21283462033071 is 17033026438212.

It is not a de Polignac number, because 21283462033071 - 26 = 21283462033007 is a prime.

It is a super-2 number, since 2×212834620330712 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21283462033051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602537745 + ... + 602573066.

It is an arithmetic number, because the mean of its divisors is an integer number (1399535356336).

Almost surely, 221283462033071 is an apocalyptic number.

21283462033071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21283462033071 is a deficient number, since it is larger than the sum of its proper divisors (12305386518993).

21283462033071 is a wasteful number, since it uses less digits than its factorization.

21283462033071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205110879 (or 1205110850 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 21283462033071 in words is "twenty-one trillion, two hundred eighty-three billion, four hundred sixty-two million, thirty-three thousand, seventy-one".

Divisors: 1 3 7 21 29 87 203 609 841 2523 5887 17661 1205110811 3615332433 8435775677 25307327031 34948213519 104844640557 244637494633 733912483899 1013498192051 3040494576153 7094487344357 21283462033071