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1889281703904 = 25372811431107
BaseRepresentation
bin11011011111100001111…
…101101111111111100000
320200121120021211122120220
4123133201331233333200
5221423222104011104
64003531331403040
7253332106341630
oct33374175577740
96617507748526
101889281703904
116692702a5241
122661a4753480
1310920a2c03ba
146762812c6c0
1534227ceb7d9
hex1b7e1f6ffe0

1889281703904 has 48 divisors (see below), whose sum is σ = 5667845113728. Its totient is φ = 539794772352.

The previous prime is 1889281703893. The next prime is 1889281703957. The reversal of 1889281703904 is 4093071829881.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1405714882 + ... + 1405716225.

It is an arithmetic number, because the mean of its divisors is an integer number (118080106536).

Almost surely, 21889281703904 is an apocalyptic number.

1889281703904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1889281703904 is an abundant number, since it is smaller than the sum of its proper divisors (3778563409824).

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

1889281703904 is a wasteful number, since it uses less digits than its factorization.

1889281703904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811431127 (or 2811431119 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 1889281703904 in words is "one trillion, eight hundred eighty-nine billion, two hundred eighty-one million, seven hundred three thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 2811431107 5622862214 8434293321 11245724428 16868586642 19680017749 22491448856 33737173284 39360035498 44982897712 59040053247 67474346568 78720070996 89965795424 118080106494 134948693136 157440141992 236160212988 269897386272 314880283984 472320425976 629760567968 944640851952 1889281703904