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49004915156 = 22171338153857
BaseRepresentation
bin101101101000111010…
…111010100111010100
311200111020101121211122
4231220322322213110
51300330224241111
634302413223112
73353246622521
oct555072724724
9150436347748
1049004915156
1119867aa708a
1295b7791a98
13480c863b22
14252c502148
15141c334cdb
hexb68eba9d4

49004915156 has 24 divisors (see below), whose sum is σ = 90811697256. Its totient is φ = 23058984960.

The previous prime is 49004915131. The next prime is 49004915189. The reversal of 49004915156 is 65151940094.

It can be written as a sum of positive squares in 4 ways, for example, as 1843843600 + 47161071556 = 42940^2 + 217166^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882980 + ... + 936836.

It is an arithmetic number, because the mean of its divisors is an integer number (3783820719).

Almost surely, 249004915156 is an apocalyptic number.

It is an amenable number.

49004915156 is a deficient number, since it is larger than the sum of its proper divisors (41806782100).

49004915156 is a wasteful number, since it uses less digits than its factorization.

49004915156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67259 (or 67257 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 49004915156 in words is "forty-nine billion, four million, nine hundred fifteen thousand, one hundred fifty-six".

Divisors: 1 2 4 17 34 68 13381 26762 53524 53857 107714 215428 227477 454954 909908 915569 1831138 3662276 720660517 1441321034 2882642068 12251228789 24502457578 49004915156