Search a number
-
+
161735088055 = 5315321193307
BaseRepresentation
bin1001011010100000101…
…0011001011110110111
3120110110121002202100111
42112220022121132313
510122213140304210
6202144452123451
714453642364652
oct2265012313667
9513417082314
10161735088055
1162656271532
1227418906587
1312336880048
147b84130899
154318e7288a
hex25a82997b7

161735088055 has 32 divisors (see below), whose sum is σ = 205092476928. Its totient is φ = 122268182400.

The previous prime is 161735088043. The next prime is 161735088071. The reversal of 161735088055 is 550880537161.

It is a de Polignac number, because none of the positive numbers 2k-161735088055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1686712 + ... + 1780018.

It is an arithmetic number, because the mean of its divisors is an integer number (6409139904).

Almost surely, 2161735088055 is an apocalyptic number.

161735088055 is a deficient number, since it is larger than the sum of its proper divisors (43357388873).

161735088055 is a wasteful number, since it uses less digits than its factorization.

161735088055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93607.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 161735088055 in words is "one hundred sixty-one billion, seven hundred thirty-five million, eighty-eight thousand, fifty-five".

Divisors: 1 5 31 53 155 211 265 1055 1643 6541 8215 11183 32705 55915 93307 346673 466535 1733365 2892517 4945271 14462585 19687777 24726355 98438885 153303401 610321087 766517005 1043452181 3051605435 5217260905 32347017611 161735088055