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20203101231160 = 2351797441304907
BaseRepresentation
bin1001001011111111001101…
…01011000001100000111000
32122112101201212021001112111
410211333212223001200320
510122001422403344120
6110545102050222104
74153424453012101
oct445774653014070
978471655231474
1020203101231160
11648a0a5a510a1
1223235b5884934
13b371b4c6c423
144dbb9a1773a8
152507e06e875a
hex125fe6ac1838

20203101231160 has 64 divisors (see below), whose sum is σ = 48131569444320. Its totient is φ = 7605770403840.

The previous prime is 20203101231139. The next prime is 20203101231161. The reversal of 20203101231160 is 6113210130202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203101231161) 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, 66107427 + ... + 66412333.

Almost surely, 220203101231160 is an apocalyptic number.

20203101231160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203101231160 is an abundant number, since it is smaller than the sum of its proper divisors (27928468213160).

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

20203101231160 is a wasteful number, since it uses less digits than its factorization.

20203101231160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402376 (or 402372 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20203101231160 its reverse (6113210130202), we get a palindrome (26316311361362).

The spelling of 20203101231160 in words is "twenty trillion, two hundred three billion, one hundred one million, two hundred thirty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 97441 194882 304907 389764 487205 609814 779528 974410 1219628 1524535 1656497 1948820 2439256 3049070 3312994 3897640 5183419 6098140 6625988 8282485 10366838 12196280 13251976 16564970 20733676 25917095 33129940 41467352 51834190 66259880 103668380 207336760 29710442987 59420885974 118841771948 148552214935 237683543896 297104429870 505077530779 594208859740 1010155061558 1188417719480 2020310123116 2525387653895 4040620246232 5050775307790 10101550615580 20203101231160