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21410714157 = 371019557817
BaseRepresentation
bin10011111100001011…
…011001001000101101
32001021011000222021020
4103330023121020231
5322322120323112
613500321524353
71355402032110
oct237413311055
961234028236
1021410714157
119097876498
1241964a36b9
132032a38041
1410717c6577
15854a2a48c
hex4fc2d922d

21410714157 has 8 divisors (see below), whose sum is σ = 32625850176. Its totient is φ = 12234693792.

The previous prime is 21410714137. The next prime is 21410714203. The reversal of 21410714157 is 75141701412.

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

It is not a de Polignac number, because 21410714157 - 211 = 21410712109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410714137) 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, 509778888 + ... + 509778929.

It is an arithmetic number, because the mean of its divisors is an integer number (4078231272).

Almost surely, 221410714157 is an apocalyptic number.

It is an amenable number.

21410714157 is a deficient number, since it is larger than the sum of its proper divisors (11215136019).

21410714157 is a wasteful number, since it uses less digits than its factorization.

21410714157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019557827.

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 21410714157 in words is "twenty-one billion, four hundred ten million, seven hundred fourteen thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 1019557817 3058673451 7136904719 21410714157