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29135402660 = 22571316008463
BaseRepresentation
bin11011001000100110…
…101111011010100100
32210012111101210210102
4123020212233122210
5434132130341120
621215024443232
72051000556620
oct331046573244
983174353712
1029135402660
11113a11a2281
125791479518
132994215840
1415a56a6180
15b57c91d75
hex6c89af6a4

29135402660 has 48 divisors (see below), whose sum is σ = 75303814656. Its totient is φ = 9220874112.

The previous prime is 29135402609. The next prime is 29135402671. The reversal of 29135402660 is 6620453192.

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, 8002412 + ... + 8006051.

It is an arithmetic number, because the mean of its divisors is an integer number (1568829472).

Almost surely, 229135402660 is an apocalyptic number.

29135402660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29135402660 is an abundant number, since it is smaller than the sum of its proper divisors (46168411996).

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

29135402660 is a wasteful number, since it uses less digits than its factorization.

29135402660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16008492 (or 16008490 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 29135402660 in words is "twenty-nine billion, one hundred thirty-five million, four hundred two thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 16008463 32016926 64033852 80042315 112059241 160084630 208110019 224118482 320169260 416220038 448236964 560296205 832440076 1040550095 1120592410 1456770133 2081100190 2241184820 2913540266 4162200380 5827080532 7283850665 14567701330 29135402660