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78247422023804 = 221117104608852973
BaseRepresentation
bin10001110010101001100101…
…110010110101100001111100
3101021001101021101012021021022
4101302221211302311201330
540224001210014230204
6434230211444123312
722324122030116405
oct2162514562654174
9337041241167238
1078247422023804
1122a285aa90a970
128938a5b396538
133487914558437
1415472a43a89ac
1590a5dd2955be
hex472a65cb587c

78247422023804 has 24 divisors (see below), whose sum is σ = 158168585696688. Its totient is φ = 33474832951040.

The previous prime is 78247422023767. The next prime is 78247422023891. The reversal of 78247422023804 is 40832022474287.

It is a super-2 number, since 2×782474220238042 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52304425739 + ... + 52304427234.

It is an arithmetic number, because the mean of its divisors is an integer number (6590357737362).

Almost surely, 278247422023804 is an apocalyptic number.

It is an amenable number.

78247422023804 is an abundant number, since it is smaller than the sum of its proper divisors (79921163672884).

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

78247422023804 is a wasteful number, since it uses less digits than its factorization.

78247422023804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104608853005 (or 104608853003 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 53.

The spelling of 78247422023804 in words is "seventy-eight trillion, two hundred forty-seven billion, four hundred twenty-two million, twenty-three thousand, eight hundred four".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 104608852973 209217705946 418435411892 1150697382703 1778350500541 2301394765406 3556701001082 4602789530812 7113402002164 19561855505951 39123711011902 78247422023804