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20408007164030 = 2537113488113063
BaseRepresentation
bin1001010001111100111000…
…00001001000000001111110
32200020222122002220221202022
410220332130001020001332
510133331044313222110
6111223150431400142
74204300304501303
oct450763401100176
980228562827668
1020408007164030
116558a95010272
122357260383052
13b5060b7a2c55
14507a77a310aa
15255cd46e2755
hex128f9c04807e

20408007164030 has 32 divisors (see below), whose sum is σ = 38061104278464. Its totient is φ = 7872287463936.

The previous prime is 20408007164011. The next prime is 20408007164099. The reversal of 20408007164030 is 3046170080402.

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 15 ways as a sum of consecutive naturals, for example, 244014722 + ... + 244098341.

It is an arithmetic number, because the mean of its divisors is an integer number (1189409508702).

Almost surely, 220408007164030 is an apocalyptic number.

20408007164030 is a deficient number, since it is larger than the sum of its proper divisors (17653097114434).

20408007164030 is a wasteful number, since it uses less digits than its factorization.

20408007164030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488113220.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 20408007164030 in words is "twenty trillion, four hundred eight billion, seven million, one hundred sixty-four thousand, thirty".

Divisors: 1 2 5 10 37 74 113 185 226 370 565 1130 4181 8362 20905 41810 488113063 976226126 2440565315 4881130630 18060183331 36120366662 55156776119 90300916655 110313552238 180601833310 275783880595 551567761190 2040800716403 4081601432806 10204003582015 20408007164030