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23203213100 = 2252571406361
BaseRepresentation
bin10101100111000001…
…001110111100101100
32012220001221100112222
4111213001032330230
5340010010304400
614354233214512
71450666025414
oct254701167454
965801840488
1023203213100
119927677481
1245b6861438
13225a1ccac2
1411a18a9644
1590c0a1185
hex56704ef2c

23203213100 has 36 divisors (see below), whose sum is σ = 50439276888. Its totient is φ = 9265008000.

The previous prime is 23203213093. The next prime is 23203213129. The reversal of 23203213100 is 131230232.

It is a super-2 number, since 2×232032131002 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146081 + ... + 260280.

Almost surely, 223203213100 is an apocalyptic number.

23203213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203213100 is an abundant number, since it is smaller than the sum of its proper divisors (27236063788).

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

23203213100 is a wasteful number, since it uses less digits than its factorization.

23203213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406946 (or 406939 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23203213100 its reverse (131230232), we get a palindrome (23334443332).

The spelling of 23203213100 in words is "twenty-three billion, two hundred three million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 571 1142 2284 2855 5710 11420 14275 28550 57100 406361 812722 1625444 2031805 4063610 8127220 10159025 20318050 40636100 232032131 464064262 928128524 1160160655 2320321310 4640642620 5800803275 11601606550 23203213100