Base | Representation |
---|---|
bin | 10010101011110110… |
… | …01011011001110011 |
3 | 221220010001120022012 |
4 | 21111323023121303 |
5 | 131021031324110 |
6 | 4335230033135 |
7 | 503406303131 |
oct | 112573133163 |
9 | 27803046265 |
10 | 10031511155 |
11 | 4288587896 |
12 | 1b3b6487ab |
13 | c3b3a1223 |
14 | 6b2406751 |
15 | 3daa34905 |
hex | 255ecb673 |
10031511155 has 16 divisors (see below), whose sum is σ = 12231807840. Its totient is φ = 7896903168.
The previous prime is 10031511107. The next prime is 10031511229. The reversal of 10031511155 is 55111513001.
It is a cyclic number.
It is not a de Polignac number, because 10031511155 - 28 = 10031510899 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10031511155.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14669 + ... + 142401.
It is an arithmetic number, because the mean of its divisors is an integer number (764487990).
Almost surely, 210031511155 is an apocalyptic number.
10031511155 is a deficient number, since it is larger than the sum of its proper divisors (2200296685).
10031511155 is a wasteful number, since it uses less digits than its factorization.
10031511155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127990.
The product of its (nonzero) digits is 375, while the sum is 23.
The spelling of 10031511155 in words is "ten billion, thirty-one million, five hundred eleven thousand, one hundred fifty-five".
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