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29143954620 = 223251114719169
BaseRepresentation
bin11011001001000111…
…010111010010111100
32210020002111021212200
4123021013113102330
5434141323021440
621215532031500
72051133345504
oct331107272274
983202437780
1029143954620
11113a6003510
125794302590
132995c1b281
1415a6890a04
15b588d0c30
hex6c91d74bc

29143954620 has 72 divisors (see below), whose sum is σ = 96440001840. Its totient is φ = 7065200640.

The previous prime is 29143954597. The next prime is 29143954643. The reversal of 29143954620 is 2645934192.

29143954620 is a `hidden beast` number, since 2 + 9 + 14 + 3 + 9 + 5 + 4 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (29143954597) and next prime (29143954643).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7357605 + ... + 7361564.

It is an arithmetic number, because the mean of its divisors is an integer number (1339444470).

Almost surely, 229143954620 is an apocalyptic number.

29143954620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29143954620 is an abundant number, since it is smaller than the sum of its proper divisors (67296047220).

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

29143954620 is a wasteful number, since it uses less digits than its factorization.

29143954620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14719195 (or 14719190 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 29143954620 in words is "twenty-nine billion, one hundred forty-three million, nine hundred fifty-four thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 14719169 29438338 44157507 58876676 73595845 88315014 132472521 147191690 161910859 176630028 220787535 264945042 294383380 323821718 441575070 485732577 529890084 647643436 662362605 809554295 883150140 971465154 1324725210 1457197731 1619108590 1942930308 2428662885 2649450420 2914395462 3238217180 4857325770 5828790924 7285988655 9714651540 14571977310 29143954620