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1148195390069 = 72139744341947
BaseRepresentation
bin10000101101010101110…
…001110100001001110101
311001202200201012020220202
4100231111301310021311
5122303001004440234
62235250152010245
7145645231532600
oct20552561641165
94052621166822
101148195390069
11402a46400982
12166640390985
1384374a02870
143d804281337
151ed01bcb77e
hex10b55c74275

1148195390069 has 48 divisors (see below), whose sum is σ = 1456542618048. Its totient is φ = 897045746688.

The previous prime is 1148195390059. The next prime is 1148195390159. The reversal of 1148195390069 is 9600935918411.

It is not a de Polignac number, because 1148195390069 - 224 = 1148178612853 is a prime.

It is a super-2 number, since 2×11481953900692 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1148195389996 and 1148195390023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148195390059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27351554 + ... + 27393500.

It is an arithmetic number, because the mean of its divisors is an integer number (30344637876).

Almost surely, 21148195390069 is an apocalyptic number.

It is an amenable number.

1148195390069 is a deficient number, since it is larger than the sum of its proper divisors (308347227979).

1148195390069 is a wasteful number, since it uses less digits than its factorization.

1148195390069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42514 (or 42507 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 1148195390069 in words is "one trillion, one hundred forty-eight billion, one hundred ninety-five million, three hundred ninety thousand, sixty-nine".

Divisors: 1 7 13 49 91 97 443 637 679 1261 3101 4753 5759 8827 21707 40313 41947 42971 61789 282191 293629 300797 545311 558623 2055403 2105579 3817177 3910361 4068859 18582521 26720239 27372527 28482013 52895167 130077647 199374091 241572773 370266169 910543529 1691009411 1802504537 2591863183 11837065877 12617531759 23432558981 88322722313 164027912867 1148195390069