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161150893250 = 2531186754319
BaseRepresentation
bin1001011000010101010…
…1110111110011000010
3120101221212211120201212
42112011111313303002
510120014112041000
6202010502530122
714433316664054
oct2260525676302
9511855746655
10161150893250
1162386529306
1227295136942
1312272829449
147b2a6dd8d4
1542d2a27c35
hex2585577cc2

161150893250 has 32 divisors (see below), whose sum is σ = 301705447680. Its totient is φ = 64453738800.

The previous prime is 161150893243. The next prime is 161150893279. The reversal of 161150893250 is 52398051161.

161150893250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1611508932502 (a number of 23 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 = 161150893198 and 161150893207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939591 + ... + 2993909.

It is an arithmetic number, because the mean of its divisors is an integer number (9428295240).

Almost surely, 2161150893250 is an apocalyptic number.

161150893250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161150893250 is a deficient number, since it is larger than the sum of its proper divisors (140554554430).

161150893250 is a wasteful number, since it uses less digits than its factorization.

161150893250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66203 (or 66193 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 161150893250 in words is "one hundred sixty-one billion, one hundred fifty million, eight hundred ninety-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 11867 23734 54319 59335 108638 118670 271595 296675 543190 593350 1357975 1483375 2715950 2966750 6789875 13579750 644603573 1289207146 3223017865 6446035730 16115089325 32230178650 80575446625 161150893250