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20134134210 = 2352923142683
BaseRepresentation
bin10010110000000101…
…101000000111000010
31220222011220222210110
4102300011220013002
5312213314243320
613125520212150
71311641213511
oct226005500702
956864828713
1020134134210
1185a2215043
123a9aa6a056
131b8b4100a8
14d90040678
157cc9145e0
hex4b01681c2

20134134210 has 32 divisors (see below), whose sum is σ = 49988197440. Its totient is φ = 5183960768.

The previous prime is 20134134089. The next prime is 20134134257. The reversal of 20134134210 is 1243143102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11570472 + ... + 11572211.

It is an arithmetic number, because the mean of its divisors is an integer number (1562131170).

Almost surely, 220134134210 is an apocalyptic number.

20134134210 is an abundant number, since it is smaller than the sum of its proper divisors (29854063230).

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

20134134210 is a wasteful number, since it uses less digits than its factorization.

20134134210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142722.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20134134210 its reverse (1243143102), we get a palindrome (21377277312).

The spelling of 20134134210 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 23142683 46285366 69428049 115713415 138856098 231426830 347140245 671137807 694280490 1342275614 2013413421 3355689035 4026826842 6711378070 10067067105 20134134210