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21359470101 = 352313613429
BaseRepresentation
bin10011111001000111…
…111010011000010101
32001010120121111122020
4103321013322120111
5322221011020401
613451251323353
71354210333404
oct237107723025
961116544566
1021359470101
119070956032
1241812b0559
132025235608
141068a8763b
158502a6d36
hex4f91fa615

21359470101 has 8 divisors (see below), whose sum is σ = 28533749280. Its totient is φ = 14212418832.

The previous prime is 21359470091. The next prime is 21359470151. The reversal of 21359470101 is 10107495312.

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

It is not a de Polignac number, because 21359470101 - 26 = 21359470037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21359470151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6805146 + ... + 6808283.

It is an arithmetic number, because the mean of its divisors is an integer number (3566718660).

Almost surely, 221359470101 is an apocalyptic number.

It is an amenable number.

21359470101 is a deficient number, since it is larger than the sum of its proper divisors (7174279179).

21359470101 is a wasteful number, since it uses less digits than its factorization.

21359470101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613955.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 21359470101 in words is "twenty-one billion, three hundred fifty-nine million, four hundred seventy thousand, one hundred one".

Divisors: 1 3 523 1569 13613429 40840287 7119823367 21359470101