Base | Representation |
---|---|
bin | 101010101001100111100… |
… | …110110011001010011100 |
3 | 101101012011212120100101220 |
4 | 222221213212303022130 |
5 | 341004443403421111 |
6 | 10122234541333340 |
7 | 421515403161054 |
oct | 52514746631234 |
9 | 11335155510356 |
10 | 2930905920156 |
11 | a2aa98a8a955 |
12 | 3b4042567250 |
13 | 1834c9ca27a6 |
14 | a1bdc73c564 |
15 | 5138d92de06 |
hex | 2aa679b329c |
2930905920156 has 48 divisors (see below), whose sum is σ = 7199240764800. Its totient is φ = 925481806272.
The previous prime is 2930905920143. The next prime is 2930905920157. The reversal of 2930905920156 is 6510295090392.
It is a junction number, because it is equal to n+sod(n) for n = 2930905920099 and 2930905920108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2930905920157) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715415 + ... + 3638033.
It is an arithmetic number, because the mean of its divisors is an integer number (149984182600).
Almost surely, 22930905920156 is an apocalyptic number.
It is an amenable number.
2930905920156 is an abundant number, since it is smaller than the sum of its proper divisors (4268334844644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2930905920156 is a wasteful number, since it uses less digits than its factorization.
2930905920156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 936578 (or 936576 counting only the distinct ones).
The product of its (nonzero) digits is 1312200, while the sum is 51.
The spelling of 2930905920156 in words is "two trillion, nine hundred thirty billion, nine hundred five million, nine hundred twenty thousand, one hundred fifty-six".
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