Search a number
-
+
161293457058 = 2326882242843
BaseRepresentation
bin1001011000110111010…
…1101101011010100010
3120102022211002120111220
42112031311231122202
510120312111111213
6202032554315510
714440000523016
oct2261565553242
9512284076456
10161293457058
1162449a51638
1227314a28b96
1312296223726
147b41610546
1542e02d8e23
hex258dd6d6a2

161293457058 has 8 divisors (see below), whose sum is σ = 322586914128. Its totient is φ = 53764485684.

The previous prime is 161293457053. The next prime is 161293457081. The reversal of 161293457058 is 850754392161.

It is a sphenic number, since it is the product of 3 distinct primes.

161293457058 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 161293457058.

It is not an unprimeable number, because it can be changed into a prime (161293457053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13441121416 + ... + 13441121427.

It is an arithmetic number, because the mean of its divisors is an integer number (40323364266).

It is a 1-persistent number, because it is pandigital, but 2⋅161293457058 = 322586914116 is not.

Almost surely, 2161293457058 is an apocalyptic number.

161293457058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161293457058 is a wasteful number, since it uses less digits than its factorization.

161293457058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26882242848.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 161293457058 in words is "one hundred sixty-one billion, two hundred ninety-three million, four hundred fifty-seven thousand, fifty-eight".

Divisors: 1 2 3 6 26882242843 53764485686 80646728529 161293457058