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305972895052 = 221121374614419
BaseRepresentation
bin1000111001111010110…
…01111101110101001100
31002020202202222112102101
410130331121331311030
520003113030120202
6352321221004444
731051202460466
oct4347531756514
91066682875371
10305972895052
111088427a4800
124b371853724
1322b123c7336
1410b484d7136
157e5bc40887
hex473d67dd4c

305972895052 has 36 divisors (see below), whose sum is σ = 592851452760. Its totient is φ = 138063386560.

The previous prime is 305972895049. The next prime is 305972895079. The reversal of 305972895052 is 250598279503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305972894984 and 305972895002.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2240902 + ... + 2373517.

It is an arithmetic number, because the mean of its divisors is an integer number (16468095910).

Almost surely, 2305972895052 is an apocalyptic number.

It is an amenable number.

305972895052 is a deficient number, since it is larger than the sum of its proper divisors (286878557708).

305972895052 is a wasteful number, since it uses less digits than its factorization.

305972895052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614582 (or 4614569 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 305972895052 in words is "three hundred five billion, nine hundred seventy-two million, eight hundred ninety-five thousand, fifty-two".

Divisors: 1 2 4 11 22 44 121 137 242 274 484 548 1507 3014 6028 16577 33154 66308 4614419 9228838 18457676 50758609 101517218 203034436 558344699 632175403 1116689398 1264350806 2233378796 2528701612 6953929433 13907858866 27815717732 76493223763 152986447526 305972895052