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21338046101 = 233565916183
BaseRepresentation
bin10011110111110110…
…001011111010010101
32001002002022001102202
4103313312023322111
5322200014433401
613445204214245
71353530253641
oct236766137225
961062261382
1021338046101
11905a852949
12417609a385
132020973ca8
141065cabc21
1584d47406b
hex4f7d8be95

21338046101 has 8 divisors (see below), whose sum is σ = 21434736960. Its totient is φ = 21241399392.

The previous prime is 21338046089. The next prime is 21338046127. The reversal of 21338046101 is 10164083312.

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

It is a cyclic number.

It is not a de Polignac number, because 21338046101 - 214 = 21338029717 is a prime.

It is a super-2 number, since 2×213380461012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21338046181) 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, 1310456 + ... + 1326638.

It is an arithmetic number, because the mean of its divisors is an integer number (2679342120).

Almost surely, 221338046101 is an apocalyptic number.

It is an amenable number.

21338046101 is a deficient number, since it is larger than the sum of its proper divisors (96690859).

21338046101 is a wasteful number, since it uses less digits than its factorization.

21338046101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22075.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 21338046101 in words is "twenty-one billion, three hundred thirty-eight million, forty-six thousand, one hundred one".

Divisors: 1 233 5659 16183 1318547 3770639 91579597 21338046101