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20452659048 = 23321392043631
BaseRepresentation
bin10011000011000100…
…101100111101101000
31221210101021201201200
4103003010230331220
5313341340042143
613221255244200
71322556506403
oct230304547550
957711251650
1020452659048
118745aa1508
123b69679660
131c0c3c5a23
14dc0476d3a
157ea8821d3
hex4c312cf68

20452659048 has 48 divisors (see below), whose sum is σ = 55791153600. Its totient is φ = 6768502560.

The previous prime is 20452659001. The next prime is 20452659049. The reversal of 20452659048 is 84095625402.

20452659048 is a `hidden beast` number, since 2 + 0 + 4 + 52 + 6 + 590 + 4 + 8 = 666.

It is a super-2 number, since 2×204526590482 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20452658994 and 20452659012.

It is not an unprimeable number, because it can be changed into a prime (20452659049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011808 + ... + 1031823.

It is an arithmetic number, because the mean of its divisors is an integer number (1162315700).

Almost surely, 220452659048 is an apocalyptic number.

It is an amenable number.

20452659048 is an abundant number, since it is smaller than the sum of its proper divisors (35338494552).

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

20452659048 is a wasteful number, since it uses less digits than its factorization.

20452659048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043782 (or 2043775 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 20452659048 in words is "twenty billion, four hundred fifty-two million, six hundred fifty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 139 278 417 556 834 1112 1251 1668 2502 3336 5004 10008 2043631 4087262 6130893 8174524 12261786 16349048 18392679 24523572 36785358 49047144 73570716 147141432 284064709 568129418 852194127 1136258836 1704388254 2272517672 2556582381 3408776508 5113164762 6817553016 10226329524 20452659048