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29491750904 = 23711192519801
BaseRepresentation
bin11011011101110110…
…000110011111111000
32211010022221011200112
4123131312012133320
5440344342012104
621314234323452
72062555514030
oct333566063770
984108834615
1029491750904
1111564362a60
125870889588
132a1ccb23a5
1415dab468c0
15b791d186e
hex6ddd867f8

29491750904 has 64 divisors (see below), whose sum is σ = 72570297600. Its totient is φ = 10885536000.

The previous prime is 29491750903. The next prime is 29491750919. The reversal of 29491750904 is 40905719492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29491750901) 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, 1248197 + ... + 1271604.

It is an arithmetic number, because the mean of its divisors is an integer number (1133910900).

Almost surely, 229491750904 is an apocalyptic number.

It is an amenable number.

29491750904 is an abundant number, since it is smaller than the sum of its proper divisors (43078546696).

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

29491750904 is a wasteful number, since it uses less digits than its factorization.

29491750904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519844 (or 2519840 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 29491750904 in words is "twenty-nine billion, four hundred ninety-one million, seven hundred fifty thousand, nine hundred four".

Divisors: 1 2 4 7 8 11 14 19 22 28 38 44 56 76 77 88 133 152 154 209 266 308 418 532 616 836 1064 1463 1672 2926 5852 11704 2519801 5039602 10079204 17638607 20158408 27717811 35277214 47876219 55435622 70554428 95752438 110871244 141108856 191504876 194024677 221742488 335133533 383009752 388049354 526638409 670267066 776098708 1053276818 1340534132 1552197416 2106553636 2681068264 3686468863 4213107272 7372937726 14745875452 29491750904