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128100714 = 23729105173
BaseRepresentation
bin1111010001010…
…10100101101010
322221001012010220
413220222211222
5230243210324
620413350510
73113560320
oct750524552
9287035126
10128100714
1166344a65
1236a98436
1320702151
1413027d10
15b3a5b79
hex7a2a96a

128100714 has 32 divisors (see below), whose sum is σ = 302901120. Its totient is φ = 35337792.

The previous prime is 128100703. The next prime is 128100727. The reversal of 128100714 is 417001821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51369 + ... + 53804.

It is an arithmetic number, because the mean of its divisors is an integer number (9465660).

Almost surely, 2128100714 is an apocalyptic number.

128100714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128100714 is an abundant number, since it is smaller than the sum of its proper divisors (174800406).

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

128100714 is a wasteful number, since it uses less digits than its factorization.

128100714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105214.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 128100714 is about 11318.1585958141. The cubic root of 128100714 is about 504.1005641481.

The spelling of 128100714 in words is "one hundred twenty-eight million, one hundred thousand, seven hundred fourteen".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 203 406 609 1218 105173 210346 315519 631038 736211 1472422 2208633 3050017 4417266 6100034 9150051 18300102 21350119 42700238 64050357 128100714