Base | Representation |
---|---|
bin | 10010001100001011100… |
… | …110110101101011111000 |
3 | 11102111112202101022020220 |
4 | 102030023212311223320 |
5 | 130440030213321010 |
6 | 2354131141420040 |
7 | 156211625334630 |
oct | 22141346655370 |
9 | 4374482338226 |
10 | 1250030213880 |
11 | 442153516298 |
12 | 18232070a620 |
13 | 90b536a5b66 |
14 | 44704c816c0 |
15 | 227b204c970 |
hex | 1230b9b5af8 |
1250030213880 has 128 divisors (see below), whose sum is σ = 4344527923200. Its totient is φ = 281807188992.
The previous prime is 1250030213717. The next prime is 1250030213903. The reversal of 1250030213880 is 883120300521.
It is a super-2 number, since 2×12500302138802 (a number of 25 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, 10131360 + ... + 10253999.
It is an arithmetic number, because the mean of its divisors is an integer number (33941624400).
Almost surely, 21250030213880 is an apocalyptic number.
1250030213880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1250030213880 is an abundant number, since it is smaller than the sum of its proper divisors (3094497709320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1250030213880 is a wasteful number, since it uses less digits than its factorization.
1250030213880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20385453 (or 20385449 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The spelling of 1250030213880 in words is "one trillion, two hundred fifty billion, thirty million, two hundred thirteen thousand, eight hundred eighty".
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