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409697045087 = 111910119408643
BaseRepresentation
bin1011111011000111101…
…10001100101001011111
31110011111111021022002212
411331203312030221133
523203024420420322
6512113501311035
741412450265331
oct5754366145137
91404444238085
10409697045087
1114882a334950
126749a86547b
132c832634a45
1415b87dc3451
15a9ccdb20e2
hex5f63d8ca5f

409697045087 has 16 divisors (see below), whose sum is σ = 475123605120. Its totient is φ = 349355556000.

The previous prime is 409697045063. The next prime is 409697045113. The reversal of 409697045087 is 780540796904.

It is not a de Polignac number, because 409697045087 - 214 = 409697028703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409697045047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9683213 + ... + 9725430.

It is an arithmetic number, because the mean of its divisors is an integer number (29695225320).

Almost surely, 2409697045087 is an apocalyptic number.

409697045087 is a deficient number, since it is larger than the sum of its proper divisors (65426560033).

409697045087 is a wasteful number, since it uses less digits than its factorization.

409697045087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19408774.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 409697045087 in words is "four hundred nine billion, six hundred ninety-seven million, forty-five thousand, eighty-seven".

Divisors: 1 11 19 101 209 1111 1919 21109 19408643 213495073 368764217 1960272943 4056406387 21563002373 37245185917 409697045087