Search a number
-
+
149801388249577 = 1910178062213783
BaseRepresentation
bin100010000011111001011010…
…100010001001000111101001
3201122101212120022102111100011
4202003321122202021013221
5124113321220342441302
61250333450245011521
743360536022552261
oct4203713242110751
9648355508374304
10149801388249577
1143805459397569
12149746199b3ba1
136578297042cbc
1428dc5d686c7a1
15124ba27ccd5d7
hex883e5a8891e9

149801388249577 has 8 divisors (see below), whose sum is σ = 159246916119360. Its totient is φ = 140511984807600.

The previous prime is 149801388249563. The next prime is 149801388249599. The reversal of 149801388249577 is 775942883108941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149801388249577 - 235 = 149767028511209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149801388241577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39031104973 + ... + 39031108810.

It is an arithmetic number, because the mean of its divisors is an integer number (19905864514920).

Almost surely, 2149801388249577 is an apocalyptic number.

It is an amenable number.

149801388249577 is a deficient number, since it is larger than the sum of its proper divisors (9445527869783).

149801388249577 is a wasteful number, since it uses less digits than its factorization.

149801388249577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78062213903.

The product of its (nonzero) digits is 975421440, while the sum is 76.

The spelling of 149801388249577 in words is "one hundred forty-nine trillion, eight hundred one billion, three hundred eighty-eight million, two hundred forty-nine thousand, five hundred seventy-seven".

Divisors: 1 19 101 1919 78062213783 1483182061877 7884283592083 149801388249577