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115412301020421 = 3361971933743083
BaseRepresentation
bin11010001111011110000101…
…001101000111110100000101
3120010122022022200202212021000
4122033132011031013310011
5110111403343030123141
61045243402410043513
733211156260236226
oct3217360515076405
9503568280685230
10115412301020421
113385709a151829
1210b3b816119599
134c52444302962
14206ddb146524d
15d5221370e5b6
hex68f785347d05

115412301020421 has 64 divisors (see below), whose sum is σ = 176485512259840. Its totient is φ = 74511886417920.

The previous prime is 115412301020381. The next prime is 115412301020431. The reversal of 115412301020421 is 124020103214511.

115412301020421 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 1 + 230 + 1 + 0 + 2 + 0 + 421 = 666.

It is not a de Polignac number, because 115412301020421 - 211 = 115412301018373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115412301020431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28961946 + ... + 32705028.

It is an arithmetic number, because the mean of its divisors is an integer number (2757586129060).

Almost surely, 2115412301020421 is an apocalyptic number.

It is an amenable number.

115412301020421 is a deficient number, since it is larger than the sum of its proper divisors (61073211239419).

115412301020421 is a wasteful number, since it uses less digits than its factorization.

115412301020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743443 (or 3743437 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 115412301020421 its reverse (124020103214511), we get a palindrome (239432404234932).

The spelling of 115412301020421 in words is "one hundred fifteen trillion, four hundred twelve billion, three hundred one million, twenty thousand, four hundred twenty-one".

Divisors: 1 3 9 27 61 97 183 193 291 549 579 873 1647 1737 2619 5211 5917 11773 17751 18721 35319 53253 56163 105957 159759 168489 317871 505467 1141981 3425943 3743083 10277829 11229249 30833487 33687747 101063241 228328063 363079051 684984189 722415019 1089237153 2054952567 2167245057 3267711459 6164857701 6501735171 9803134377 19505205513 22147822111 44067316159 66443466333 70074256843 132201948477 199330398999 210222770529 396605845431 597991196997 630668311587 1189817536293 1892004934761 4274529667423 12823589002269 38470767006807 115412301020421