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161373000153 = 341891312859
BaseRepresentation
bin1001011001001010010…
…1001001000111011001
3120102112100202210010110
42112102211021013121
510120442442001103
6202044515234533
714441654604051
oct2262245110731
9512470683113
10161373000153
116248a940532
12273375a8a49
13122a9853b51
147b4bdd8561
1542e729c403
hex25929491d9

161373000153 has 48 divisors (see below), whose sum is σ = 224864337600. Its totient is φ = 102866649600.

The previous prime is 161373000133. The next prime is 161373000199. The reversal of 161373000153 is 351000373161.

It is not a de Polignac number, because 161373000153 - 28 = 161372999897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161373000153.

It is not an unprimeable number, because it can be changed into a prime (161373000133) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 187861038 + ... + 187861896.

It is an arithmetic number, because the mean of its divisors is an integer number (4684673700).

Almost surely, 2161373000153 is an apocalyptic number.

It is an amenable number.

161373000153 is a deficient number, since it is larger than the sum of its proper divisors (63491337447).

161373000153 is an equidigital number, since it uses as much as digits as its factorization.

161373000153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The spelling of 161373000153 in words is "one hundred sixty-one billion, three hundred seventy-three million, one hundred fifty-three", and thus it is an aban number.

Divisors: 1 3 41 89 123 131 267 393 859 2577 3649 5371 10947 11659 16113 17161 34977 35219 51483 76451 105657 112529 229353 337587 478019 703601 1434057 1527329 2110803 3134491 4581987 4613689 9403473 10015081 13841067 14741299 30045243 44223897 62620489 187861467 410618321 604393259 1231854963 1311975611 1813179777 3935926833 53791000051 161373000153