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29997127998046 = 2118647157685419
BaseRepresentation
bin1101101001000010000000…
…01010001001101001011110
310221012200211102111221110101
412310201000022021221132
512412433104231414141
6143444253530131314
76214135536645526
oct664410012115136
9127180742457411
1029997127998046
11961578a805520
123445789580b3a
131397942422201
14759c23b82686
15370462aba531
hex1b4840289a5e

29997127998046 has 16 divisors (see below), whose sum is σ = 49091886437760. Its totient is φ = 13633481240280.

The previous prime is 29997127997981. The next prime is 29997127998053. The reversal of 29997127998046 is 64089972179992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78652476 + ... + 79032943.

It is an arithmetic number, because the mean of its divisors is an integer number (3068242902360).

Almost surely, 229997127998046 is an apocalyptic number.

29997127998046 is a deficient number, since it is larger than the sum of its proper divisors (19094758439714).

29997127998046 is a wasteful number, since it uses less digits than its factorization.

29997127998046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157694079.

The product of its (nonzero) digits is 2222131968, while the sum is 82.

The spelling of 29997127998046 in words is "twenty-nine trillion, nine hundred ninety-seven billion, one hundred twenty-seven million, nine hundred ninety-eight thousand, forty-six".

Divisors: 1 2 11 22 8647 17294 95117 190234 157685419 315370838 1734539609 3469079218 1363505818093 2727011636186 14998563999023 29997127998046