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505253076244 = 22747859446951
BaseRepresentation
bin1110101101000110110…
…11100001110100010100
31210022010221210122010221
413112203123201310110
531234224241414434
61024035434524124
751334433200420
oct7264333416424
91708127718127
10505253076244
1118530520a424
1281b08296644
1338850558307
141a650b61b80
15d221dca2b4
hex75a36e1d14

505253076244 has 48 divisors (see below), whose sum is σ = 1033209999360. Its totient is φ = 211682671200.

The previous prime is 505253076227. The next prime is 505253076271. The reversal of 505253076244 is 442670352505.

It is a self number, because there is not a number n which added to its sum of digits gives 505253076244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906969 + ... + 1353919.

It is an arithmetic number, because the mean of its divisors is an integer number (21525208320).

Almost surely, 2505253076244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505253076244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516604999680).

505253076244 is an abundant number, since it is smaller than the sum of its proper divisors (527956923116).

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

505253076244 is a wasteful number, since it uses less digits than its factorization.

505253076244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447868 (or 447866 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 505253076244 in words is "five hundred five billion, two hundred fifty-three million, seventy-six thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 859 1316 1718 3436 6013 12026 24052 40373 80746 161492 282611 446951 565222 893902 1130444 1787804 3128657 6257314 12514628 21006697 42013394 84026788 147046879 294093758 383930909 588187516 767861818 1535723636 2687516363 5375032726 10750065452 18044752723 36089505446 72179010892 126313269061 252626538122 505253076244