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305416405152061 = 71931122472014013
BaseRepresentation
bin100010101110001100100110…
…0010101100111000100111101
31111001101112010101211011012121
41011130121030111213010331
5310012420244204331221
63001322205400202541
7121221415143564010
oct10534311425470475
91431345111734177
10305416405152061
1189351408578995
122a3078b4169451
13101558497b6c88
14555c339059377
1525498acceea41
hex115c64c56713d

305416405152061 has 16 divisors (see below), whose sum is σ = 350859155468544. Its totient is φ = 260426639176704.

The previous prime is 305416405152059. The next prime is 305416405152071. The reversal of 305416405152061 is 160251504614503.

It is not a de Polignac number, because 305416405152061 - 21 = 305416405152059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305416405151999 and 305416405152017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305416405152071) 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, 150638691 + ... + 152652703.

It is an arithmetic number, because the mean of its divisors is an integer number (21928697216784).

Almost surely, 2305416405152061 is an apocalyptic number.

It is an amenable number.

305416405152061 is a deficient number, since it is larger than the sum of its proper divisors (45442750316483).

305416405152061 is a wasteful number, since it uses less digits than its factorization.

305416405152061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126460.

The product of its (nonzero) digits is 432000, while the sum is 43.

Adding to 305416405152061 its reverse (160251504614503), we get a palindrome (465667909766564).

The spelling of 305416405152061 in words is "three hundred five trillion, four hundred sixteen billion, four hundred five million, one hundred fifty-two thousand, sixty-one".

Divisors: 1 7 193 1351 112247 785729 2014013 14098091 21663671 151645697 388704509 2720931563 226066917211 1582468420477 43630915021723 305416405152061