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345161516085 = 3457925574219
BaseRepresentation
bin1010000010111010011…
…10101100010000110101
31012222220220021202020000
411001131032230100311
521123342322003320
6422322013101513
733636265323111
oct5013516542065
91188826252200
10345161516085
1112342274a811
1256a89a87899
13267193415a9
14129c5016741
158ea23a3c90
hex505d3ac435

345161516085 has 80 divisors (see below), whose sum is σ = 626959660800. Its totient is φ = 181641792384.

The previous prime is 345161516041. The next prime is 345161516107. The reversal of 345161516085 is 580615161543.

It is a happy number.

345161516085 is a `hidden beast` number, since 3 + 4 + 51 + 6 + 1 + 516 + 0 + 85 = 666.

It is not a de Polignac number, because 345161516085 - 219 = 345160991797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 345161516085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 81809106 + ... + 81813324.

It is an arithmetic number, because the mean of its divisors is an integer number (7836995760).

Almost surely, 2345161516085 is an apocalyptic number.

It is an amenable number.

345161516085 is a deficient number, since it is larger than the sum of its proper divisors (281798144715).

345161516085 is a wasteful number, since it uses less digits than its factorization.

345161516085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872 (or 6863 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 345161516085 in words is "three hundred forty-five billion, one hundred sixty-one million, five hundred sixteen thousand, eighty-five".

Divisors: 1 3 5 9 15 27 45 79 81 135 237 395 405 711 1185 2133 2557 3555 4219 6399 7671 10665 12657 12785 21095 23013 31995 37971 38355 63285 69039 113913 115065 189855 202003 207117 333301 341739 345195 569565 606009 999903 1010015 1035585 1666505 1708695 1818027 2999709 3030045 4999515 5454081 8999127 9090135 10787983 14998545 16362243 26997381 27270405 32363949 44995635 53939915 81811215 97091847 134986905 161819745 291275541 485459235 852250657 873826623 1456377705 2556751971 4261253285 4369133115 7670255913 12783759855 23010767739 38351279565 69032303217 115053838695 345161516085