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20001013124 = 2257125393449
BaseRepresentation
bin10010101000001001…
…110011110110000100
31220121220102201222212
4102220021303312010
5311430224404444
613104403042552
71305433543421
oct225011636604
956556381885
1020001013124
118534061214
123a62370458
131b69970b11
14d7a4aad48
157c0dbb19e
hex4a8273d84

20001013124 has 24 divisors (see below), whose sum is σ = 35087052000. Its totient is φ = 9976167360.

The previous prime is 20001013117. The next prime is 20001013183. The reversal of 20001013124 is 42131010002.

It is a junction number, because it is equal to n+sod(n) for n = 20001013099 and 20001013108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5797352 + ... + 5800800.

It is an arithmetic number, because the mean of its divisors is an integer number (1461960500).

Almost surely, 220001013124 is an apocalyptic number.

It is an amenable number.

20001013124 is a deficient number, since it is larger than the sum of its proper divisors (15086038876).

20001013124 is a wasteful number, since it uses less digits than its factorization.

20001013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563 (or 6561 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20001013124 its reverse (42131010002), we get a palindrome (62132023126).

The spelling of 20001013124 in words is "twenty billion, one million, thirteen thousand, one hundred twenty-four".

Divisors: 1 2 4 571 1142 2284 2539 3449 5078 6898 10156 13796 1449769 1969379 2899538 3938758 5799076 7877516 8757011 17514022 35028044 5000253281 10000506562 20001013124