Search a number
-
+
161340498115 = 5149216564427
BaseRepresentation
bin1001011001000010100…
…1001010000011000011
3120102110002121111201021
42112100221022003003
510120411131414430
6202041354450311
714441111414656
oct2262051120303
9512402544637
10161340498115
1162473561245
1227328733997
13122a2bb4084
147b4797789d
1542e44cc07a
hex2590a4a0c3

161340498115 has 8 divisors (see below), whose sum is σ = 194907985200. Its totient is φ = 128206140192.

The previous prime is 161340498083. The next prime is 161340498131. The reversal of 161340498115 is 511894043161.

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

It is a cyclic number.

It is not a de Polignac number, because 161340498115 - 25 = 161340498083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108281469 + ... + 108282958.

It is an arithmetic number, because the mean of its divisors is an integer number (24363498150).

Almost surely, 2161340498115 is an apocalyptic number.

161340498115 is a deficient number, since it is larger than the sum of its proper divisors (33567487085).

161340498115 is a wasteful number, since it uses less digits than its factorization.

161340498115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216564581.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 161340498115 in words is "one hundred sixty-one billion, three hundred forty million, four hundred ninety-eight thousand, one hundred fifteen".

Divisors: 1 5 149 745 216564427 1082822135 32268099623 161340498115