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20340554708 = 2243437327043
BaseRepresentation
bin10010111100011001…
…000011101111010100
31221111120100020111002
4102330121003233110
5313124140222313
613202212402432
71320025601525
oct227431035724
957446306432
1020340554708
1186987928a1
123b38016418
131bc21048b6
14dad61484c
157e0adb058
hex4bc643bd4

20340554708 has 24 divisors (see below), whose sum is σ = 36433460448. Its totient is φ = 9931120416.

The previous prime is 20340554701. The next prime is 20340554713. The reversal of 20340554708 is 80745504302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340554701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738635 + ... + 765677.

It is an arithmetic number, because the mean of its divisors is an integer number (1518060852).

Almost surely, 220340554708 is an apocalyptic number.

It is an amenable number.

20340554708 is a deficient number, since it is larger than the sum of its proper divisors (16092905740).

20340554708 is a wasteful number, since it uses less digits than its factorization.

20340554708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31463 (or 31461 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 20340554708 in words is "twenty billion, three hundred forty million, five hundred fifty-four thousand, seven hundred eight".

Divisors: 1 2 4 43 86 172 4373 8746 17492 27043 54086 108172 188039 376078 752156 1162849 2325698 4651396 118259039 236518078 473036156 5085138677 10170277354 20340554708