Base | Representation |
---|---|
bin | 101111100001011010… |
… | …1110110101110100000 |
3 | 100202102020222221101210 |
4 | 1133002311312232200 |
5 | 3133001101124004 |
6 | 114514345030120 |
7 | 10241654265312 |
oct | 1370265665640 |
9 | 322366887353 |
10 | 102053145504 |
11 | 3a30a381772 |
12 | 17941485340 |
13 | 9814ca3b3b |
14 | 4d219d17b2 |
15 | 29c45e9089 |
hex | 17c2d76ba0 |
102053145504 has 48 divisors (see below), whose sum is σ = 267911249760. Its totient is φ = 34014954240.
The previous prime is 102053145503. The next prime is 102053145511. The reversal of 102053145504 is 405541350201.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-4 number, since 4×1020531455044 (a number of 45 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (102053145503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393842 + ... + 1465230.
It is an arithmetic number, because the mean of its divisors is an integer number (5581484370).
Almost surely, 2102053145504 is an apocalyptic number.
It is an amenable number.
102053145504 is an abundant number, since it is smaller than the sum of its proper divisors (165858104256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102053145504 is a wasteful number, since it uses less digits than its factorization.
102053145504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86293 (or 86285 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 102053145504 its reverse (405541350201), we get a palindrome (507594495705).
The spelling of 102053145504 in words is "one hundred two billion, fifty-three million, one hundred forty-five thousand, five hundred four".
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