Base | Representation |
---|---|
bin | 100010011010011010… |
… | …1010111010100000110 |
3 | 21001202021111001212220 |
4 | 1010310311113110012 |
5 | 2202322104122030 |
6 | 53541035353210 |
7 | 5224221563325 |
oct | 1046465272406 |
9 | 231667431786 |
10 | 73900848390 |
11 | 29383114216 |
12 | 123a52b2806 |
13 | 6c79661775 |
14 | 3810b1a0bc |
15 | 1dc7ceca10 |
hex | 1134d57506 |
73900848390 has 64 divisors (see below), whose sum is σ = 180862186176. Its totient is φ = 19318620672.
The previous prime is 73900848389. The next prime is 73900848431. The reversal of 73900848390 is 9384800937.
It is a super-2 number, since 2×739008483902 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1909512 + ... + 1947828.
It is an arithmetic number, because the mean of its divisors is an integer number (2825971659).
Almost surely, 273900848390 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 73900848390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90431093088).
73900848390 is an abundant number, since it is smaller than the sum of its proper divisors (106961337786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73900848390 is a wasteful number, since it uses less digits than its factorization.
73900848390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39593.
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 73900848390 in words is "seventy-three billion, nine hundred million, eight hundred forty-eight thousand, three hundred ninety".
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