Search a number
-
+
51448122769098 = 23111097151532217
BaseRepresentation
bin10111011001010101100110…
…00101001111111011001010
320202011101121010122000120010
423230222303011033323022
523220411223412102343
6301230535154012350
713560001305025416
oct1354526305177312
9222141533560503
1051448122769098
1115436032065030
12592aba82770b6
1322926ca1a8943
14c9c1610c5d46
155e343c952d33
hex2ecab314feca

51448122769098 has 32 divisors (see below), whose sum is σ = 113280270333120. Its totient is φ = 15447309586560.

The previous prime is 51448122769091. The next prime is 51448122769189. The reversal of 51448122769098 is 89096722184415.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (51448122769091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575758915 + ... + 3575773302.

It is an arithmetic number, because the mean of its divisors is an integer number (3540008447910).

Almost surely, 251448122769098 is an apocalyptic number.

51448122769098 is an abundant number, since it is smaller than the sum of its proper divisors (61832147564022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51448122769098 is a wasteful number, since it uses less digits than its factorization.

51448122769098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151532342.

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 51448122769098 in words is "fifty-one trillion, four hundred forty-eight billion, one hundred twenty-two million, seven hundred sixty-nine thousand, ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 109 218 327 654 1199 2398 3597 7194 7151532217 14303064434 21454596651 42909193302 78666854387 157333708774 236000563161 472001126322 779517011653 1559034023306 2338551034959 4677102069918 8574687128183 17149374256366 25724061384549 51448122769098