Base | Representation |
---|---|
bin | 1001001001101100101… |
… | …0111011011100100110 |
3 | 120000211002020001111102 |
4 | 2102123022323130212 |
5 | 10033442332443240 |
6 | 200121000240102 |
7 | 14234053163600 |
oct | 2223312733446 |
9 | 500732201442 |
10 | 157222156070 |
11 | 6074a898981 |
12 | 26579470032 |
13 | 11a978c92a5 |
14 | 7876a1a170 |
15 | 4152b7c815 |
hex | 249b2bb726 |
157222156070 has 96 divisors (see below), whose sum is σ = 332631629568. Its totient is φ = 53346408192.
The previous prime is 157222156033. The next prime is 157222156087. The reversal of 157222156070 is 70651222751.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18899552 + ... + 18907868.
It is an arithmetic number, because the mean of its divisors is an integer number (3464912808).
Almost surely, 2157222156070 is an apocalyptic number.
157222156070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157222156070 is an abundant number, since it is smaller than the sum of its proper divisors (175409473498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157222156070 is a wasteful number, since it uses less digits than its factorization.
157222156070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8734 (or 8727 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 38.
The spelling of 157222156070 in words is "one hundred fifty-seven billion, two hundred twenty-two million, one hundred fifty-six thousand, seventy".
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