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74747473480068 = 2236228956123339
BaseRepresentation
bin10000111111101110000000…
…100110101100100110000100
3100210122210021221112112022020
4100333232000212230212010
534244130311202330233
6422550303144203140
721513220034264124
oct2077560046544604
9323583257475266
1074747473480068
11218a9253131634
1284726897694b0
13329286c45597c
141465b23044c84
158995476d49b3
hex43fb809ac984

74747473480068 has 12 divisors (see below), whose sum is σ = 174410771453520. Its totient is φ = 24915824493352.

The previous prime is 74747473480067. The next prime is 74747473480129. The reversal of 74747473480068 is 86008437474747.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 74747473479984 and 74747473480011.

It is not an unprimeable number, because it can be changed into a prime (74747473480063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114478061658 + ... + 3114478061681.

It is an arithmetic number, because the mean of its divisors is an integer number (14534230954460).

Almost surely, 274747473480068 is an apocalyptic number.

It is an amenable number.

74747473480068 is an abundant number, since it is smaller than the sum of its proper divisors (99663297973452).

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

74747473480068 is a wasteful number, since it uses less digits than its factorization.

74747473480068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228956123346 (or 6228956123344 counting only the distinct ones).

The product of its (nonzero) digits is 708083712, while the sum is 69.

The spelling of 74747473480068 in words is "seventy-four trillion, seven hundred forty-seven billion, four hundred seventy-three million, four hundred eighty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 6228956123339 12457912246678 18686868370017 24915824493356 37373736740034 74747473480068