Base | Representation |
---|---|
bin | 100001001000100011… |
… | …0110110111011101101 |
3 | 20210122211202020101111 |
4 | 1002101012312323231 |
5 | 2131210404032200 |
6 | 52404312312021 |
7 | 5066155526242 |
oct | 1022106667355 |
9 | 223584666344 |
10 | 71153970925 |
11 | 281a361a554 |
12 | 119593a2611 |
13 | 692c543c9b |
14 | 362dda35c9 |
15 | 1cb6aa80ba |
hex | 10911b6eed |
71153970925 has 12 divisors (see below), whose sum is σ = 90108179136. Its totient is φ = 55712044400.
The previous prime is 71153970859. The next prime is 71153970931. The reversal of 71153970925 is 52907935117.
It is not a de Polignac number, because 71153970925 - 215 = 71153938157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30277111 + ... + 30279460.
It is an arithmetic number, because the mean of its divisors is an integer number (7509014928).
Almost surely, 271153970925 is an apocalyptic number.
It is an amenable number.
71153970925 is a deficient number, since it is larger than the sum of its proper divisors (18954208211).
71153970925 is a wasteful number, since it uses less digits than its factorization.
71153970925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60556628 (or 60556623 counting only the distinct ones).
The product of its (nonzero) digits is 595350, while the sum is 49.
The spelling of 71153970925 in words is "seventy-one billion, one hundred fifty-three million, nine hundred seventy thousand, nine hundred twenty-five".
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