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78465742756414 = 21343911161615941
BaseRepresentation
bin10001110101110100111010…
…101110010101101000111110
3101021211020210112011121012221
4101311310322232111220332
540241040320121201124
6434514355315115554
722345651152535126
oct2165647256255076
9337736715147187
1078465742756414
11230021532086a2
12897322a5a2bba
1334a23983846a0
141553a95725c86
15911119d29ce4
hex475d3ab95a3e

78465742756414 has 32 divisors (see below), whose sum is σ = 127052672281920. Its totient is φ = 36129167942400.

The previous prime is 78465742756361. The next prime is 78465742756417. The reversal of 78465742756414 is 41465724756487.

It is a super-2 number, since 2×784657427564142 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78465742756417) 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, 127083684 + ... + 127699624.

It is an arithmetic number, because the mean of its divisors is an integer number (3970396008810).

Almost surely, 278465742756414 is an apocalyptic number.

78465742756414 is a deficient number, since it is larger than the sum of its proper divisors (48586929525506).

78465742756414 is a wasteful number, since it uses less digits than its factorization.

78465742756414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627556.

The product of its digits is 1264435200, while the sum is 70.

The spelling of 78465742756414 in words is "seventy-eight trillion, four hundred sixty-five billion, seven hundred forty-two million, seven hundred fifty-six thousand, four hundred fourteen".

Divisors: 1 2 13 26 439 878 5707 11161 11414 22322 145093 290186 615941 1231882 4899679 8007233 9799358 16014466 63695827 127391654 270398099 540796198 3515175287 6874517501 7030350574 13749035002 89368727513 178737455026 3017913182939 6035826365878 39232871378207 78465742756414