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161145452035 = 5223911439377
BaseRepresentation
bin1001011000010100000…
…1000111011000000011
3120101221111121010210101
42112011001013120003
510120011213431120
6202010150143231
714433222512341
oct2260501073003
9511844533711
10161145452035
1162383452237
1227293351b17
13122716728a9
147b29ac4991
1542d230090a
hex2585047603

161145452035 has 8 divisors (see below), whose sum is σ = 193383313056. Its totient is φ = 128910514560.

The previous prime is 161145452009. The next prime is 161145452057. The reversal of 161145452035 is 530254541161.

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

It is a de Polignac number, because none of the positive numbers 2k-161145452035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161145451985 and 161145452003.

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, 607734 + ... + 831643.

It is an arithmetic number, because the mean of its divisors is an integer number (24172914132).

Almost surely, 2161145452035 is an apocalyptic number.

161145452035 is a deficient number, since it is larger than the sum of its proper divisors (32237861021).

161145452035 is a wasteful number, since it uses less digits than its factorization.

161145452035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461773.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 161145452035 its reverse (530254541161), we get a palindrome (691399993196).

The spelling of 161145452035 in words is "one hundred sixty-one billion, one hundred forty-five million, four hundred fifty-two thousand, thirty-five".

Divisors: 1 5 22391 111955 1439377 7196885 32229090407 161145452035