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23838825630 = 23529148718427
BaseRepresentation
bin10110001100111001…
…111001110010011110
32021112100221211000210
4112030321321302132
5342310214410010
614541300433250
71502514450234
oct261471716236
967470854023
1023838825630
11a123439594
1247536a8826
13232bab71a9
141222082954
15947ca5b20
hex58ce79c9e

23838825630 has 64 divisors (see below), whose sum is σ = 59229066240. Its totient is φ = 6133352064.

The previous prime is 23838825629. The next prime is 23838825691. The reversal of 23838825630 is 3652883832.

It is a self number, because there is not a number n which added to its sum of digits gives 23838825630.

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, 1284477 + ... + 1302903.

It is an arithmetic number, because the mean of its divisors is an integer number (925454160).

Almost surely, 223838825630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23838825630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29614533120).

23838825630 is an abundant number, since it is smaller than the sum of its proper divisors (35390240610).

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

23838825630 is a wasteful number, since it uses less digits than its factorization.

23838825630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19953.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 23838825630 in words is "twenty-three billion, eight hundred thirty-eight million, eight hundred twenty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 1487 2974 4461 7435 8922 14870 18427 22305 36854 43123 44610 55281 86246 92135 110562 129369 184270 215615 258738 276405 431230 534383 552810 646845 1068766 1293690 1603149 2671915 3206298 5343830 8015745 16031490 27400949 54801898 82202847 137004745 164405694 274009490 411014235 794627521 822028470 1589255042 2383882563 3973137605 4767765126 7946275210 11919412815 23838825630