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6415161145 = 54160152069
BaseRepresentation
bin1011111100101111…
…11001011100111001
3121120002020221200221
411332113321130321
5101114240124040
62540323100041
7314654653501
oct57627713471
917502227627
106415161145
1127a2211578
1212b0511621
137b30b8153
1444bddca01
152782e374a
hex17e5f9739

6415161145 has 16 divisors (see below), whose sum is σ = 7899227280. Its totient is φ = 4998528000.

The previous prime is 6415161119. The next prime is 6415161149. The reversal of 6415161145 is 5411615146.

It can be written as a sum of positive squares in 8 ways, for example, as 22838841 + 6392322304 = 4779^2 + 79952^2 .

It is not a de Polignac number, because 6415161145 - 25 = 6415161113 is a prime.

It is a super-2 number, since 2×64151611452 = 82308585032635422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6415161145.

It is not an unprimeable number, because it can be changed into a prime (6415161149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97171 + ... + 149239.

It is an arithmetic number, because the mean of its divisors is an integer number (493701705).

Almost surely, 26415161145 is an apocalyptic number.

It is an amenable number.

6415161145 is a deficient number, since it is larger than the sum of its proper divisors (1484066135).

6415161145 is a wasteful number, since it uses less digits than its factorization.

6415161145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52716.

The product of its digits is 14400, while the sum is 34.

The square root of 6415161145 is about 80094.7011043802. The cubic root of 6415161145 is about 1858.1004564817.

The spelling of 6415161145 in words is "six billion, four hundred fifteen million, one hundred sixty-one thousand, one hundred forty-five".

Divisors: 1 5 41 205 601 3005 24641 52069 123205 260345 2134829 10674145 31293469 156467345 1283032229 6415161145