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76835456145 = 3357223364607
BaseRepresentation
bin100011110001111000…
…0000000010010010001
321100022210110120221000
41013203300000102101
52224324334044040
655144150252213
75360024413140
oct1074360002221
9240283416830
1076835456145
112a649680488
1212a84057069
13732662b866
143a0c77d757
151eea776130
hex11e3c00491

76835456145 has 64 divisors (see below), whose sum is σ = 156810608640. Its totient is φ = 34967173824.

The previous prime is 76835456141. The next prime is 76835456167. The reversal of 76835456145 is 54165453867.

It is a happy number.

76835456145 is a `hidden beast` number, since 7 + 6 + 8 + 35 + 4 + 561 + 45 = 666.

It is not a de Polignac number, because 76835456145 - 22 = 76835456141 is a prime.

It is a super-2 number, since 2×768354561452 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76835456091 and 76835456100.

It is not an unprimeable number, because it can be changed into a prime (76835456141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28432 + ... + 393038.

It is an arithmetic number, because the mean of its divisors is an integer number (2450165760).

Almost surely, 276835456145 is an apocalyptic number.

It is an amenable number.

76835456145 is an abundant number, since it is smaller than the sum of its proper divisors (79975152495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76835456145 is a wasteful number, since it uses less digits than its factorization.

76835456145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364851 (or 364845 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 76835456145 in words is "seventy-six billion, eight hundred thirty-five million, four hundred fifty-six thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 223 315 669 945 1115 1561 2007 3345 4683 6021 7805 10035 14049 23415 30105 42147 70245 210735 364607 1093821 1823035 2552249 3281463 5469105 7656747 9844389 12761245 16407315 22970241 38283735 49221945 68910723 81307361 114851205 243922083 344553615 406536805 569151527 731766249 1219610415 1707454581 2195298747 2845757635 3658831245 5122363743 8537272905 10976493735 15367091229 25611818715 76835456145