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10131423220 = 2258317335279
BaseRepresentation
bin10010110111110000…
…10011111111110100
3222011002001121220001
421123320103333310
5131222121020340
64353155321044
7506031451012
oct113370237764
928132047801
1010131423220
114329a19246
121b68bb0184
13c55cb39a9
146c17b38b2
153e46bd29a
hex25be13ff4

10131423220 has 48 divisors (see below), whose sum is σ = 21657404160. Its totient is φ = 3980487296.

The previous prime is 10131423191. The next prime is 10131423227. The reversal of 10131423220 is 2232413101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131423227) 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, 269541 + ... + 304819.

It is an arithmetic number, because the mean of its divisors is an integer number (451195920).

Almost surely, 210131423220 is an apocalyptic number.

10131423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131423220 is an abundant number, since it is smaller than the sum of its proper divisors (11525980940).

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

10131423220 is a wasteful number, since it uses less digits than its factorization.

10131423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35544 (or 35542 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10131423220 its reverse (2232413101), we get a palindrome (12363836321).

The spelling of 10131423220 in words is "ten billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 173 332 346 415 692 830 865 1660 1730 3460 14359 28718 35279 57436 70558 71795 141116 143590 176395 287180 352790 705580 2928157 5856314 6103267 11712628 12206534 14640785 24413068 29281570 30516335 58563140 61032670 122065340 506571161 1013142322 2026284644 2532855805 5065711610 10131423220