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387135406730 = 25319112132103
BaseRepresentation
bin1011010001000110001…
…00011000001010001010
31101000021010120022122102
411220203010120022022
522320323131003410
6453503023153402
736653401443122
oct5504304301212
91330233508572
10387135406730
1113a201932036
1263042a45862
132a678329087
1414a47803c82
15a10c2e22a5
hex5a2311828a

387135406730 has 16 divisors (see below), whose sum is σ = 697062167424. Its totient is φ = 154805621520.

The previous prime is 387135406727. The next prime is 387135406739. The reversal of 387135406730 is 37604531783.

It is not an unprimeable number, because it can be changed into a prime (387135406739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6034142 + ... + 6097961.

It is an arithmetic number, because the mean of its divisors is an integer number (43566385464).

Almost surely, 2387135406730 is an apocalyptic number.

387135406730 is a deficient number, since it is larger than the sum of its proper divisors (309926760694).

387135406730 is a wasteful number, since it uses less digits than its factorization.

387135406730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135301.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 387135406730 in words is "three hundred eighty-seven billion, one hundred thirty-five million, four hundred six thousand, seven hundred thirty".

Divisors: 1 2 5 10 3191 6382 15955 31910 12132103 24264206 60660515 121321030 38713540673 77427081346 193567703365 387135406730