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73900848390 = 23553121338317
BaseRepresentation
bin100010011010011010…
…1010111010100000110
321001202021111001212220
41010310311113110012
52202322104122030
653541035353210
75224221563325
oct1046465272406
9231667431786
1073900848390
1129383114216
12123a52b2806
136c79661775
143810b1a0bc
151dc7ceca10
hex1134d57506

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".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1213 1590 2426 3639 6065 7278 12130 18195 36390 38317 64289 76634 114951 128578 191585 192867 229902 321445 383170 385734 574755 642890 964335 1149510 1928670 2030801 4061602 6092403 10154005 12184806 20308010 30462015 46478521 60924030 92957042 139435563 232392605 278871126 464785210 697177815 1394355630 2463361613 4926723226 7390084839 12316808065 14780169678 24633616130 36950424195 73900848390