Search a number
-
+
214954875757440 = 2736571321731739
BaseRepresentation
bin110000111000000000010101…
…000000110010001110000000
31001012002111002212202102000000
4300320000111000302032000
5211133310041143214230
62041100523502000000
763163656131004630
oct6070002500621600
91035074085672000
10214954875757440
116254493a559585
1220137840b76000
1392c3208919500
143b11c2b5686c0
1519cb709e22b60
hexc38015032380

214954875757440 has 5376 divisors, whose sum is σ = 1043534646374400. Its totient is φ = 41252443914240.

The previous prime is 214954875757429. The next prime is 214954875757451. The reversal of 214954875757440 is 44757578459412.

214954875757440 is a `hidden beast` number, since 2 + 1 + 4 + 9 + 5 + 4 + 8 + 7 + 5 + 7 + 574 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (214954875757429) and next prime (214954875757451).

It is a super-2 number, since 2×2149548757574402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 290872632591 + ... + 290872633329.

Almost surely, 2214954875757440 is an apocalyptic number.

214954875757440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214954875757440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521767323187200).

214954875757440 is an abundant number, since it is smaller than the sum of its proper divisors (828579770616960).

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

214954875757440 is a wasteful number, since it uses less digits than its factorization.

214954875757440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 1580544000, while the sum is 72.

The spelling of 214954875757440 in words is "two hundred fourteen trillion, nine hundred fifty-four billion, eight hundred seventy-five million, seven hundred fifty-seven thousand, four hundred forty".