Base | Representation |
---|---|
bin | 10010101110101001… |
… | …10010001010010000 |
3 | 221221202020221221002 |
4 | 21113110302022100 |
5 | 131043040010340 |
6 | 4341425321132 |
7 | 504113044622 |
oct | 112724621220 |
9 | 27852227832 |
10 | 10055000720 |
11 | 429a870956 |
12 | 1b474961a8 |
13 | c43206a8b |
14 | 6b559cc12 |
15 | 3dcb24715 |
hex | 257532290 |
10055000720 has 40 divisors (see below), whose sum is σ = 23948076600. Its totient is φ = 3923901440.
The previous prime is 10055000699. The next prime is 10055000729. The reversal of 10055000720 is 2700055001.
It can be written as a sum of positive squares in 4 ways, for example, as 516743824 + 9538256896 = 22732^2 + 97664^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×100550007202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 10055000692 and 10055000701.
It is not an unprimeable number, because it can be changed into a prime (10055000729) 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, 1529495 + ... + 1536054.
It is an arithmetic number, because the mean of its divisors is an integer number (598701915).
Almost surely, 210055000720 is an apocalyptic number.
10055000720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10055000720 is an abundant number, since it is smaller than the sum of its proper divisors (13893075880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10055000720 is a wasteful number, since it uses less digits than its factorization.
10055000720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3065603 (or 3065597 counting only the distinct ones).
The product of its (nonzero) digits is 350, while the sum is 20.
Adding to 10055000720 its reverse (2700055001), we get a palindrome (12755055721).
The spelling of 10055000720 in words is "ten billion, fifty-five million, seven hundred twenty", and thus it is an aban number.
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