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405305013141 = 3372237958637
BaseRepresentation
bin1011110010111100000…
…11111011001110010101
31102202011101212221221000
411321132003323032111
523120031040410031
6510110005013513
741165556524430
oct5713603731625
91382141787830
10405305013141
11146986128286
12666739b4299
132c2b2731782
141588c980817
15a8224ee3e6
hex5e5e0fb395

405305013141 has 32 divisors (see below), whose sum is σ = 686538190080. Its totient is φ = 231499090368.

The previous prime is 405305012977. The next prime is 405305013199. The reversal of 405305013141 is 141310503504.

It is a happy number.

405305013141 is a `hidden beast` number, since 40 + 5 + 305 + 0 + 1 + 314 + 1 = 666.

It is not a de Polignac number, because 405305013141 - 215 = 405304980373 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405305018141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56526 + ... + 902111.

It is an arithmetic number, because the mean of its divisors is an integer number (21454318440).

Almost surely, 2405305013141 is an apocalyptic number.

It is an amenable number.

405305013141 is a deficient number, since it is larger than the sum of its proper divisors (281233176939).

405305013141 is a wasteful number, since it uses less digits than its factorization.

405305013141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960890 (or 960884 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 405305013141 its reverse (141310503504), we get a palindrome (546615516645).

The spelling of 405305013141 in words is "four hundred five billion, three hundred five million, thirteen thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 27 63 189 2237 6711 15659 20133 46977 60399 140931 422793 958637 2875911 6710459 8627733 20131377 25883199 60394131 181182393 2144470969 6433412907 15011296783 19300238721 45033890349 57900716163 135101671047 405305013141