Base | Representation |
---|---|
bin | 1001001001011001111… |
… | …0011101101101100001 |
3 | 120000121121000101020022 |
4 | 2102112132131231201 |
5 | 10033312202003243 |
6 | 200105104123225 |
7 | 14232105533204 |
oct | 2222636355541 |
9 | 500547011208 |
10 | 157143391073 |
11 | 6070a390639 |
12 | 26557006515 |
13 | 11a844ac096 |
14 | 786a39593b |
15 | 414acbeb68 |
hex | 249679db61 |
157143391073 has 16 divisors (see below), whose sum is σ = 166525182720. Its totient is φ = 147990938304.
The previous prime is 157143391063. The next prime is 157143391091. The reversal of 157143391073 is 370193341751.
It is a cyclic number.
It is not a de Polignac number, because 157143391073 - 222 = 157139196769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157143391033) 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, 218123 + ... + 601551.
It is an arithmetic number, because the mean of its divisors is an integer number (10407823920).
Almost surely, 2157143391073 is an apocalyptic number.
It is an amenable number.
157143391073 is a deficient number, since it is larger than the sum of its proper divisors (9381791647).
157143391073 is a wasteful number, since it uses less digits than its factorization.
157143391073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383728.
The product of its (nonzero) digits is 238140, while the sum is 44.
The spelling of 157143391073 in words is "one hundred fifty-seven billion, one hundred forty-three million, three hundred ninety-one thousand, seventy-three".
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