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20514114040 = 2357101725393
BaseRepresentation
bin10011000110101111…
…001000100111111000
31221221122220222010111
4103012233020213320
5314003103122130
613231332354104
71324234043440
oct230657104770
957848828114
1020514114040
118777756562
123b86175934
131c1c062024
14dc86b3120
15800e7102a
hex4c6bc89f8

20514114040 has 64 divisors (see below), whose sum is σ = 53272935360. Its totient is φ = 6963763200.

The previous prime is 20514114037. The next prime is 20514114041. The reversal of 20514114040 is 4041141502.

It is a super-2 number, since 2×205141140402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514114041) 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, 334417 + ... + 390976.

It is an arithmetic number, because the mean of its divisors is an integer number (832389615).

Almost surely, 220514114040 is an apocalyptic number.

20514114040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20514114040 is an abundant number, since it is smaller than the sum of its proper divisors (32758821320).

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

20514114040 is a wasteful number, since it uses less digits than its factorization.

20514114040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725512 (or 725508 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20514114040 its reverse (4041141502), we get a palindrome (24555255542).

The spelling of 20514114040 in words is "twenty billion, five hundred fourteen million, one hundred fourteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 101 140 202 280 404 505 707 808 1010 1414 2020 2828 3535 4040 5656 7070 14140 28280 725393 1450786 2901572 3626965 5077751 5803144 7253930 10155502 14507860 20311004 25388755 29015720 40622008 50777510 73264693 101555020 146529386 203110040 293058772 366323465 512852851 586117544 732646930 1025705702 1465293860 2051411404 2564264255 2930587720 4102822808 5128528510 10257057020 20514114040