Search a number
-
+
161373348148 = 22291391149553
BaseRepresentation
bin1001011001001010011…
…0011110000100110100
3120102112101102110111011
42112102212132010310
510120443034120043
6202044530522004
714441660553445
oct2262246360464
9512471373434
10161373348148
1162490058a31
1227337736304
13122a994636c
147b4c0892cc
1542e731a59d
hex259299e134

161373348148 has 12 divisors (see below), whose sum is σ = 292141406340. Its totient is φ = 77904374912.

The previous prime is 161373348131. The next prime is 161373348173. The reversal of 161373348148 is 841843373161.

It can be written as a sum of positive squares in 2 ways, for example, as 128241339664 + 33132008484 = 358108^2 + 182022^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695574661 + ... + 695574892.

It is an arithmetic number, because the mean of its divisors is an integer number (24345117195).

Almost surely, 2161373348148 is an apocalyptic number.

It is an amenable number.

161373348148 is a deficient number, since it is larger than the sum of its proper divisors (130768058192).

161373348148 is a wasteful number, since it uses less digits than its factorization.

161373348148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391149586 (or 1391149584 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The spelling of 161373348148 in words is "one hundred sixty-one billion, three hundred seventy-three million, three hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 29 58 116 1391149553 2782299106 5564598212 40343337037 80686674074 161373348148