Base | Representation |
---|---|
bin | 101111110000011100… |
… | …1101000111111001101 |
3 | 100210201101221110222210 |
4 | 1133200321220333031 |
5 | 3140014202014120 |
6 | 115040402101033 |
7 | 10260316656306 |
oct | 1374071507715 |
9 | 323641843883 |
10 | 102557454285 |
11 | 3a549011390 |
12 | 17a6234a779 |
13 | 98956071c0 |
14 | 4d6c9897ad |
15 | 2a03a13ce0 |
hex | 17e0e68fcd |
102557454285 has 32 divisors (see below), whose sum is σ = 192779330688. Its totient is φ = 45899838720.
The previous prime is 102557454253. The next prime is 102557454317. The reversal of 102557454285 is 582454755201.
It is an interprime number because it is at equal distance from previous prime (102557454253) and next prime (102557454317).
It is not a de Polignac number, because 102557454285 - 25 = 102557454253 is a prime.
It is a super-2 number, since 2×1025574542852 (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 23904022 + ... + 23908311.
It is an arithmetic number, because the mean of its divisors is an integer number (6024354084).
Almost surely, 2102557454285 is an apocalyptic number.
102557454285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102557454285 is a deficient number, since it is larger than the sum of its proper divisors (90221876403).
102557454285 is a wasteful number, since it uses less digits than its factorization.
102557454285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47812365.
The product of its (nonzero) digits is 2240000, while the sum is 48.
The spelling of 102557454285 in words is "one hundred two billion, five hundred fifty-seven million, four hundred fifty-four thousand, two hundred eighty-five".
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