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29343781516 = 2272149713171
BaseRepresentation
bin11011010101000001…
…101001001010001100
32210202000111112211211
4123111001221022030
5440044002002031
621251431024204
72056111012300
oct332501511214
983660445754
1029343781516
1111498888405
12582b20b064
1329c844483a
1415c5229d00
15b6b203bb1
hex6d506928c

29343781516 has 18 divisors (see below), whose sum is σ = 59735555628. Its totient is φ = 12575906280.

The previous prime is 29343781513. The next prime is 29343781541. The reversal of 29343781516 is 61518734392.

It is a super-2 number, since 2×293437815162 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 29343781516.

It is not an unprimeable number, because it can be changed into a prime (29343781513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74856390 + ... + 74856781.

Almost surely, 229343781516 is an apocalyptic number.

It is an amenable number.

29343781516 is an abundant number, since it is smaller than the sum of its proper divisors (30391774112).

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

29343781516 is a wasteful number, since it uses less digits than its factorization.

29343781516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149713189 (or 149713180 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 29343781516 in words is "twenty-nine billion, three hundred forty-three million, seven hundred eighty-one thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 149713171 299426342 598852684 1047992197 2095984394 4191968788 7335945379 14671890758 29343781516