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21202001093 = 713232989023
BaseRepresentation
bin10011101111101111…
…001101110011000101
32000201121022020202202
4103233233031303011
5321410203013333
613423504244245
71350256015160
oct235757156305
960647266682
1021202001093
118a9aa82259
124138610685
131ccb71cba0
141051bb6ad7
1584154e5e8
hex4efbcdcc5

21202001093 has 8 divisors (see below), whose sum is σ = 26094770688. Its totient is φ = 16775209584.

The previous prime is 21202001063. The next prime is 21202001131. The reversal of 21202001093 is 39010020212.

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

It is not a de Polignac number, because 21202001093 - 28 = 21202000837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202001003) 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, 116494421 + ... + 116494602.

It is an arithmetic number, because the mean of its divisors is an integer number (3261846336).

Almost surely, 221202001093 is an apocalyptic number.

It is an amenable number.

21202001093 is a deficient number, since it is larger than the sum of its proper divisors (4892769595).

21202001093 is a wasteful number, since it uses less digits than its factorization.

21202001093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232989043.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 21202001093 in words is "twenty-one billion, two hundred two million, one thousand, ninety-three".

Divisors: 1 7 13 91 232989023 1630923161 3028857299 21202001093