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20203123132230 = 2351905135349191
BaseRepresentation
bin1001001011111111001111…
…11110100100011101000110
32122112101210101110202011020
410211333213332210131012
510122001444010212410
6110545104151452010
74153425140116443
oct445774776443506
978471711422136
1020203123132230
11648a10734a755
122323601087006
13b371b9669c3c
144dbb9d0389ca
152507e25c2a70
hex125fe7fa4746

20203123132230 has 32 divisors (see below), whose sum is σ = 48490042030848. Its totient is φ = 5387216556000.

The previous prime is 20203123132169. The next prime is 20203123132319. The reversal of 20203123132230 is 3223132130202.

It is a self number, because there is not a number n which added to its sum of digits gives 20203123132230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17103066 + ... + 18246125.

It is an arithmetic number, because the mean of its divisors is an integer number (1515313813464).

Almost surely, 220203123132230 is an apocalyptic number.

20203123132230 is an abundant number, since it is smaller than the sum of its proper divisors (28286918898618).

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

20203123132230 is a wasteful number, since it uses less digits than its factorization.

20203123132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35368252.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20203123132230 its reverse (3223132130202), we get a palindrome (23426255262432).

The spelling of 20203123132230 in words is "twenty trillion, two hundred three billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 19051 38102 57153 95255 114306 190510 285765 571530 35349191 70698382 106047573 176745955 212095146 353491910 530237865 1060475730 673437437741 1346874875482 2020312313223 3367187188705 4040624626446 6734374377410 10101561566115 20203123132230