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21470348037 = 322731527677
BaseRepresentation
bin10011111111101110…
…111000001100000101
32001102022020200120110
4103333232320030011
5322432402114122
613510252023233
71360024642605
oct237756701405
961368220513
1021470348037
1191184a7296
1241b2461b19
1320421b7468
1410796aac05
15859da990c
hex4ffbb8305

21470348037 has 8 divisors (see below), whose sum is σ = 28753242336. Its totient is φ = 14250509552.

The previous prime is 21470347979. The next prime is 21470348069. The reversal of 21470348037 is 73084307412.

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 21470348037 - 214 = 21470331653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21470347986 and 21470348004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21470348087) 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, 15763158 + ... + 15764519.

It is an arithmetic number, because the mean of its divisors is an integer number (3594155292).

Almost surely, 221470348037 is an apocalyptic number.

It is an amenable number.

21470348037 is a deficient number, since it is larger than the sum of its proper divisors (7282894299).

21470348037 is a wasteful number, since it uses less digits than its factorization.

21470348037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31527907.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 21470348037 in words is "twenty-one billion, four hundred seventy million, three hundred forty-eight thousand, thirty-seven".

Divisors: 1 3 227 681 31527677 94583031 7156782679 21470348037