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10213893390 = 235679752387
BaseRepresentation
bin10011000001100101…
…11010010100001110
3222100211020112200210
421200302322110032
5131404224042030
64405303103250
7511052442561
oct114062722416
928324215623
1010213893390
114371527308
121b90741b26
13c6a0ca4cc
146cc7204d8
153eba5dbb0
hex260cba50e

10213893390 has 64 divisors (see below), whose sum is σ = 25136181504. Its totient is φ = 2655341568.

The previous prime is 10213893379. The next prime is 10213893413. The reversal of 10213893390 is 9339831201.

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, 168777 + ... + 221163.

It is an arithmetic number, because the mean of its divisors is an integer number (392752836).

Almost surely, 210213893390 is an apocalyptic number.

10213893390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10213893390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12568090752).

10213893390 is an abundant number, since it is smaller than the sum of its proper divisors (14922288114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10213893390 is a wasteful number, since it uses less digits than its factorization.

10213893390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52561.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 10213893390 in words is "ten billion, two hundred thirteen million, eight hundred ninety-three thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 67 97 134 194 201 291 335 402 485 582 670 970 1005 1455 2010 2910 6499 12998 19497 32495 38994 52387 64990 97485 104774 157161 194970 261935 314322 523870 785805 1571610 3509929 5081539 7019858 10163078 10529787 15244617 17549645 21059574 25407695 30489234 35099290 50815390 52648935 76223085 105297870 152446170 340463113 680926226 1021389339 1702315565 2042778678 3404631130 5106946695 10213893390