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85151061345 = 3571283632083
BaseRepresentation
bin100111101001101100…
…1100001010101100001
322010210022202002202210
41033103121201111201
52343342132430340
6103041242432333
76103060036110
oct1172331412541
9263708662683
1085151061345
1133126610779
1214604b026a9
1380503746cc
14419ad1dc77
152335814180
hex13d3661561

85151061345 has 32 divisors (see below), whose sum is σ = 155826404352. Its totient is φ = 38895797952.

The previous prime is 85151061329. The next prime is 85151061349. The reversal of 85151061345 is 54316015158.

It is a happy number.

It is not a de Polignac number, because 85151061345 - 24 = 85151061329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85151061349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181327 + ... + 450756.

It is an arithmetic number, because the mean of its divisors is an integer number (4869575136).

Almost surely, 285151061345 is an apocalyptic number.

It is an amenable number.

85151061345 is a deficient number, since it is larger than the sum of its proper divisors (70675343007).

85151061345 is a wasteful number, since it uses less digits than its factorization.

85151061345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633381.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 85151061345 in words is "eighty-five billion, one hundred fifty-one million, sixty-one thousand, three hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 1283 3849 6415 8981 19245 26943 44905 134715 632083 1896249 3160415 4424581 9481245 13273743 22122905 66368715 810962489 2432887467 4054812445 5676737423 12164437335 17030212269 28383687115 85151061345